diff --git a/MANIFEST b/MANIFEST
index 04b3d943..6990c596 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -759,150 +759,6 @@ t/data/samplesheet/miseq_default_dual_index.csv
 t/data/samplesheet/miseq_extended.csv
 t/data/samplesheet/multilane.csv
 t/data/samplesheet/novaseq_multirun.csv
-t/data/samplesheet/st/batches/1.xml
-t/data/samplesheet/st/batches/13994.xml
-t/data/samplesheet/st/batches/14505.xml
-t/data/samplesheet/st/batches/16537.xml
-t/data/samplesheet/st/batches/16538.xml
-t/data/samplesheet/st/batches/23798.xml
-t/data/samplesheet/st/projects/1238.xml
-t/data/samplesheet/st/projects/1366.xml
-t/data/samplesheet/st/projects/1422.xml
-t/data/samplesheet/st/projects/521.xml
-t/data/samplesheet/st/projects/678.xml
-t/data/samplesheet/st/projects/714.xml
-t/data/samplesheet/st/samples/1255141.xml
-t/data/samplesheet/st/samples/1289830.xml
-t/data/samplesheet/st/samples/1289832.xml
-t/data/samplesheet/st/samples/1289833.xml
-t/data/samplesheet/st/samples/1289834.xml
-t/data/samplesheet/st/samples/1289835.xml
-t/data/samplesheet/st/samples/1289836.xml
-t/data/samplesheet/st/samples/1289837.xml
-t/data/samplesheet/st/samples/1289838.xml
-t/data/samplesheet/st/samples/1289839.xml
-t/data/samplesheet/st/samples/1289840.xml
-t/data/samplesheet/st/samples/1289841.xml
-t/data/samplesheet/st/samples/1289842.xml
-t/data/samplesheet/st/samples/1289843.xml
-t/data/samplesheet/st/samples/1392234.xml
-t/data/samplesheet/st/samples/1392235.xml
-t/data/samplesheet/st/samples/1392236.xml
-t/data/samplesheet/st/samples/1392237.xml
-t/data/samplesheet/st/samples/1392238.xml
-t/data/samplesheet/st/samples/1660679.xml
-t/data/samplesheet/st/samples/1660680.xml
-t/data/samplesheet/st/samples/1694494.xml
-t/data/samplesheet/st/samples/1694495.xml
-t/data/samplesheet/st/samples/1694496.xml
-t/data/samplesheet/st/samples/1694497.xml
-t/data/samplesheet/st/samples/1694498.xml
-t/data/samplesheet/st/samples/1694499.xml
-t/data/samplesheet/st/samples/1706390.xml
-t/data/samplesheet/st/samples/1706391.xml
-t/data/samplesheet/st/samples/1706392.xml
-t/data/samplesheet/st/samples/1706393.xml
-t/data/samplesheet/st/samples/1706394.xml
-t/data/samplesheet/st/samples/1706395.xml
-t/data/samplesheet/st/samples/1706396.xml
-t/data/samplesheet/st/samples/1706397.xml
-t/data/samplesheet/st/samples/1706398.xml
-t/data/samplesheet/st/samples/1706399.xml
-t/data/samplesheet/st/samples/1706400.xml
-t/data/samplesheet/st/samples/1706401.xml
-t/data/samplesheet/st/samples/1706402.xml
-t/data/samplesheet/st/samples/1706403.xml
-t/data/samplesheet/st/samples/1706404.xml
-t/data/samplesheet/st/samples/1706405.xml
-t/data/samplesheet/st/samples/1706406.xml
-t/data/samplesheet/st/samples/1706407.xml
-t/data/samplesheet/st/samples/1706408.xml
-t/data/samplesheet/st/samples/1706409.xml
-t/data/samplesheet/st/samples/1706410.xml
-t/data/samplesheet/st/samples/1706411.xml
-t/data/samplesheet/st/samples/1706412.xml
-t/data/samplesheet/st/samples/1706413.xml
-t/data/samplesheet/st/samples/1706414.xml
-t/data/samplesheet/st/samples/1706415.xml
-t/data/samplesheet/st/samples/1706416.xml
-t/data/samplesheet/st/samples/1706417.xml
-t/data/samplesheet/st/samples/1706418.xml
-t/data/samplesheet/st/samples/1706419.xml
-t/data/samplesheet/st/samples/1706420.xml
-t/data/samplesheet/st/samples/1706421.xml
-t/data/samplesheet/st/samples/1706422.xml
-t/data/samplesheet/st/samples/1706423.xml
-t/data/samplesheet/st/samples/1706424.xml
-t/data/samplesheet/st/samples/1706425.xml
-t/data/samplesheet/st/samples/1706426.xml
-t/data/samplesheet/st/samples/1706427.xml
-t/data/samplesheet/st/samples/1706428.xml
-t/data/samplesheet/st/samples/1706429.xml
-t/data/samplesheet/st/samples/1706430.xml
-t/data/samplesheet/st/samples/1706431.xml
-t/data/samplesheet/st/samples/1706432.xml
-t/data/samplesheet/st/samples/1706433.xml
-t/data/samplesheet/st/samples/1706434.xml
-t/data/samplesheet/st/samples/1706435.xml
-t/data/samplesheet/st/samples/1706436.xml
-t/data/samplesheet/st/samples/1706437.xml
-t/data/samplesheet/st/samples/1706438.xml
-t/data/samplesheet/st/samples/1706439.xml
-t/data/samplesheet/st/samples/1706440.xml
-t/data/samplesheet/st/samples/1706441.xml
-t/data/samplesheet/st/samples/1706442.xml
-t/data/samplesheet/st/samples/1706443.xml
-t/data/samplesheet/st/samples/1706444.xml
-t/data/samplesheet/st/samples/1706445.xml
-t/data/samplesheet/st/samples/1706446.xml
-t/data/samplesheet/st/samples/1706447.xml
-t/data/samplesheet/st/samples/1706448.xml
-t/data/samplesheet/st/samples/1706449.xml
-t/data/samplesheet/st/samples/1706450.xml
-t/data/samplesheet/st/samples/1706451.xml
-t/data/samplesheet/st/samples/1706452.xml
-t/data/samplesheet/st/samples/1706453.xml
-t/data/samplesheet/st/samples/1706454.xml
-t/data/samplesheet/st/samples/1706455.xml
-t/data/samplesheet/st/samples/1706456.xml
-t/data/samplesheet/st/samples/1706457.xml
-t/data/samplesheet/st/samples/1706458.xml
-t/data/samplesheet/st/samples/1706459.xml
-t/data/samplesheet/st/samples/1706460.xml
-t/data/samplesheet/st/samples/1706461.xml
-t/data/samplesheet/st/samples/1706462.xml
-t/data/samplesheet/st/samples/1706463.xml
-t/data/samplesheet/st/samples/1706464.xml
-t/data/samplesheet/st/samples/1706465.xml
-t/data/samplesheet/st/samples/1706466.xml
-t/data/samplesheet/st/samples/1706467.xml
-t/data/samplesheet/st/samples/1706468.xml
-t/data/samplesheet/st/samples/1706469.xml
-t/data/samplesheet/st/samples/1706470.xml
-t/data/samplesheet/st/samples/1706471.xml
-t/data/samplesheet/st/samples/1706472.xml
-t/data/samplesheet/st/samples/1706473.xml
-t/data/samplesheet/st/samples/1706474.xml
-t/data/samplesheet/st/samples/1706475.xml
-t/data/samplesheet/st/samples/1706476.xml
-t/data/samplesheet/st/samples/1706477.xml
-t/data/samplesheet/st/samples/1706478.xml
-t/data/samplesheet/st/samples/1706479.xml
-t/data/samplesheet/st/samples/1706480.xml
-t/data/samplesheet/st/samples/1706481.xml
-t/data/samplesheet/st/samples/1706482.xml
-t/data/samplesheet/st/samples/1706483.xml
-t/data/samplesheet/st/samples/1706484.xml
-t/data/samplesheet/st/samples/1706485.xml
-t/data/samplesheet/st/samples/1712041.xml
-t/data/samplesheet/st/studies/1697.xml
-t/data/samplesheet/st/studies/198.xml
-t/data/samplesheet/st/studies/1980.xml
-t/data/samplesheet/st/studies/2239.xml
-t/data/samplesheet/st/studies/2501.xml
-t/data/samplesheet/st/studies/2658.xml
-t/data/samplesheet/st/studies/521.xml
-t/data/samplesheet/st/studies/700.xml
 t/data/st_api_lims_new/st/assets/3033734.xml
 t/data/st_api_lims_new/st/assets/3111688.xml
 t/data/st_api_lims_new/st/batches/12141.xml
diff --git a/t/data/samplesheet/st/batches/1.xml b/t/data/samplesheet/st/batches/1.xml
deleted file mode 100644
index ef9c612d..00000000
--- a/t/data/samplesheet/st/batches/1.xml
+++ /dev/null
@@ -1,87 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<batch>
-  <id>1</id>
-  <status>released</status>
-  <lanes>
-    <lane position="1" id="9457" priority="0">
-      <pool id="5830" name="DN12K A1:G12" request_id="482" qc_state="">
-        <sample sample_id="1255141" library_id="6233" library_name="" library_type="Standard" study_id="1697" project_id="1366" consent_withdrawn="false">
-          <tag tag_id="149">
-            <index>1</index>
-            <expected_sequence>CGATGTTT</expected_sequence>
-            <tag_group_id>6</tag_group_id>
-          </tag>
-          <tag tag2_id="7890">
-            <expected_sequence>AAAAAAAA</expected_sequence>
-            <tag_group_id>86</tag_group_id>
-          </tag>
-          <insert_size from="400" to="600"/>
-        </sample>
-        <sample sample_id="1289830" library_id="6245" library_name="" library_type="Standard" study_id="1697" project_id="1366" consent_withdrawn="false">
-          <tag tag_id="153">
-            <index>2</index>
-            <expected_sequence>TTAGGCAT</expected_sequence>
-            <tag_group_id>6</tag_group_id>
-          </tag>
-          <tag tag2_id="7890">
-            <expected_sequence>AAAAAAAA</expected_sequence>
-            <tag_group_id>86</tag_group_id>
-          </tag>
-          <insert_size from="400" to="600"/>
-        </sample>
-        <sample sample_id="1289832" library_id="6257" library_name="" library_type="Standard" study_id="1697" project_id="1366" consent_withdrawn="false">
-          <tag tag_id="158">
-            <index>3</index>
-            <expected_sequence>TGACCACT</expected_sequence>
-            <tag_group_id>6</tag_group_id>
-          </tag>
-          <tag tag2_id="7890">
-            <expected_sequence>AAAAAAAA</expected_sequence>
-            <tag_group_id>86</tag_group_id>
-          </tag>
-          <insert_size from="400" to="600"/>
-        </sample>
-      </pool>
-    </lane>
-    <lane position="2" id="9458" priority="0">
-      <pool id="5831" name="DN31N A1:H12" request_id="867" qc_state="">
-        <sample sample_id="1289833" library_id="8168" library_name="" library_type="Standard" study_id="1980" project_id="1238" consent_withdrawn="false">
-          <tag tag_id="154">
-            <index>374</index>
-            <expected_sequence>GCTAACTC</expected_sequence>
-            <tag_group_id>6</tag_group_id>
-          </tag>
-          <tag tag2_id="7893">
-            <expected_sequence>GGGGGGGG</expected_sequence>
-            <tag_group_id>86</tag_group_id>
-          </tag>
-          <insert_size from="400" to="600"/>
-        </sample>
-        <sample sample_id="1289834" library_id="8180" library_name="" library_type="Standard" study_id="1980" project_id="1238" consent_withdrawn="false">
-          <tag tag_id="159">
-            <index>375</index>
-            <expected_sequence>GATTCATC</expected_sequence>
-            <tag_group_id>6</tag_group_id>
-          </tag>
-          <tag tag2_id="7893">
-            <expected_sequence>GGGGGGGG</expected_sequence>
-            <tag_group_id>86</tag_group_id>
-          </tag>
-          <insert_size from="400" to="600"/>
-        </sample>
-        <sample sample_id="1289835" library_id="8192" library_name="" library_type="Standard" study_id="1980" project_id="1238" consent_withdrawn="false">
-          <tag tag_id="163">
-            <index>376</index>
-            <expected_sequence>GTCTTGGC</expected_sequence>
-            <tag_group_id>6</tag_group_id>
-          </tag>
-          <tag tag2_id="7893">
-            <expected_sequence>GGGGGGGG</expected_sequence>
-            <tag_group_id>86</tag_group_id>
-          </tag>
-          <insert_size from="400" to="600"/>
-        </sample>
-      </pool>
-    </lane>
-  </lanes>
-</batch>
diff --git a/t/data/samplesheet/st/batches/13994.xml b/t/data/samplesheet/st/batches/13994.xml
deleted file mode 100644
index 30f7c51c..00000000
--- a/t/data/samplesheet/st/batches/13994.xml
+++ /dev/null
@@ -1,107 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<batch>
-  <id>13994</id>
-  <status>released</status>
-  <lanes>
-    <lane position="1" priority="0" id="3789299">
-      <pool name="FXrowH" request_id="3642597" id="3789290" qc_state="pass">
-        <sample library_type="Standard" study_id="700" library_id="3789278" sample_id="1289832" project_id="678" library_name="sp200shear 3789278">
-          <tag tag_id="144">
-            <index>1</index>
-            <expected_sequence>ATCACGTT</expected_sequence>
-            <tag_group_id>6</tag_group_id>
-          </tag>
-          <insert_size from="200" to="700"/>
-        </sample>
-        <sample library_type="Standard" study_id="700" library_id="3789279" sample_id="1289833" project_id="678" library_name="bp200shear 3789279">
-          <tag tag_id="149">
-            <index>2</index>
-            <expected_sequence>CGATGTTT</expected_sequence>
-            <tag_group_id>6</tag_group_id>
-          </tag>
-          <insert_size from="200" to="700"/>
-        </sample>
-        <sample library_type="Standard" study_id="700" library_id="3789280" sample_id="1289834" project_id="678" library_name="3D7200shear 3789280">
-          <tag tag_id="153">
-            <index>3</index>
-            <expected_sequence>TTAGGCAT</expected_sequence>
-            <tag_group_id>6</tag_group_id>
-          </tag>
-          <insert_size from="200" to="700"/>
-        </sample>
-        <sample library_type="Standard" study_id="700" library_id="3789281" sample_id="1289835" project_id="678" library_name="human200shear 3789281">
-          <tag tag_id="158">
-            <index>4</index>
-            <expected_sequence>TGACCACT</expected_sequence>
-            <tag_group_id>6</tag_group_id>
-          </tag>
-          <insert_size from="200" to="700"/>
-        </sample>
-        <sample library_type="Standard" study_id="700" library_id="3789282" sample_id="1289836" project_id="678" library_name="sp300shear 3789282">
-          <tag tag_id="162">
-            <index>5</index>
-            <expected_sequence>ACAGTGGT</expected_sequence>
-            <tag_group_id>6</tag_group_id>
-          </tag>
-          <insert_size from="200" to="700"/>
-        </sample>
-        <sample library_type="Standard" study_id="700" library_id="3789283" sample_id="1289837" project_id="678" library_name="bp300shear 3789283">
-          <tag tag_id="167">
-            <index>6</index>
-            <expected_sequence>GCCAATGT</expected_sequence>
-            <tag_group_id>6</tag_group_id>
-          </tag>
-          <insert_size from="200" to="700"/>
-        </sample>
-        <sample library_type="Standard" study_id="700" library_id="3789284" sample_id="1289838" project_id="678" library_name="3D7300shear 3789284">
-          <tag tag_id="173">
-            <index>7</index>
-            <expected_sequence>CAGATCTG</expected_sequence>
-            <tag_group_id>6</tag_group_id>
-          </tag>
-          <insert_size from="200" to="700"/>
-        </sample>
-        <sample library_type="Standard" study_id="700" library_id="3789285" sample_id="1289839" project_id="678" library_name="human300shear 3789285">
-          <tag tag_id="179">
-            <index>8</index>
-            <expected_sequence>ACTTGATG</expected_sequence>
-            <tag_group_id>6</tag_group_id>
-          </tag>
-          <insert_size from="200" to="700"/>
-        </sample>
-        <sample library_type="Standard" study_id="700" library_id="3789286" sample_id="1289840" project_id="678" library_name="sp400shear 3789286">
-          <tag tag_id="188">
-            <index>9</index>
-            <expected_sequence>GATCAGCG</expected_sequence>
-            <tag_group_id>6</tag_group_id>
-          </tag>
-          <insert_size from="200" to="700"/>
-        </sample>
-        <sample library_type="Standard" study_id="700" library_id="3789287" sample_id="1289841" project_id="678" library_name="bp400shear 3789287">
-          <tag tag_id="193">
-            <index>10</index>
-            <expected_sequence>TAGCTTGT</expected_sequence>
-            <tag_group_id>6</tag_group_id>
-          </tag>
-          <insert_size from="200" to="700"/>
-        </sample>
-        <sample library_type="Standard" study_id="700" library_id="3789288" sample_id="1289842" project_id="678" library_name="3D7400shear 3789288">
-          <tag tag_id="175">
-            <index>11</index>
-            <expected_sequence>GGCTACAG</expected_sequence>
-            <tag_group_id>6</tag_group_id>
-          </tag>
-          <insert_size from="200" to="700"/>
-        </sample>
-        <sample library_type="Standard" study_id="700" library_id="3789289" sample_id="1289843" project_id="678" library_name="human400shear 3789289">
-          <tag tag_id="184">
-            <index>12</index>
-            <expected_sequence>CTTGTACT</expected_sequence>
-            <tag_group_id>6</tag_group_id>
-          </tag>
-          <insert_size from="200" to="700"/>
-        </sample>
-      </pool>
-    </lane>
-  </lanes>
-</batch>
diff --git a/t/data/samplesheet/st/batches/14505.xml b/t/data/samplesheet/st/batches/14505.xml
deleted file mode 100644
index 1a86f0a4..00000000
--- a/t/data/samplesheet/st/batches/14505.xml
+++ /dev/null
@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<batch>
-  <id>14505</id>
-  <status>released</status>
-  <lanes>
-    <lane position="1" priority="0" id="3911772">
-      <library name="SriL3_66K_212889 3789277" request_id="3642560" id="3789277" qc_state="pass">
-        <sample library_type="qPCR only" study_id="521" library_id="3789277" sample_id="1289830" project_id="521" library_name="SriL3_66K_212889 3789277">
-          <insert_size from="300" to="400"/>
-        </sample>
-      </library>
-    </lane>
-  </lanes>
-</batch>
diff --git a/t/data/samplesheet/st/batches/16537.xml b/t/data/samplesheet/st/batches/16537.xml
deleted file mode 100644
index 55e97b23..00000000
--- a/t/data/samplesheet/st/batches/16537.xml
+++ /dev/null
@@ -1,51 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<batch>
-  <id>16537</id>
-  <status>released</status>
-  <lanes>
-    <lane position="1" priority="0" id="4895948">
-      <pool name="Mate pair imp test" request_id="4127174" id="4894530" qc_state="pass">
-        <sample sample_id="1392238" study_id="1980" library_type="Long range" project_id="919" library_name="Mouse_test_3kb 4894529" library_id="4894529">
-          <tag tag_id="265">
-            <index>1</index>
-            <expected_sequence>ATCACGTTAT</expected_sequence>
-            <tag_group_id>7</tag_group_id>
-          </tag>
-          <insert_size from="2000" to="6000"/>
-        </sample>
-        <sample sample_id="1392237" study_id="1980" library_type="Long range" project_id="919" library_name="Tetse_3kb 4894528" library_id="4894528">
-          <tag tag_id="266">
-            <index>2</index>
-            <expected_sequence>CGATGTTTAT</expected_sequence>
-            <tag_group_id>7</tag_group_id>
-          </tag>
-          <insert_size from="2000" to="6000"/>
-        </sample>
-        <sample sample_id="1392236" study_id="1980" library_type="Long range" project_id="919" library_name="PfIT_454_5kb 4894527" library_id="4894527">
-          <tag tag_id="272">
-            <index>8</index>
-            <expected_sequence>ACTTGATGAT</expected_sequence>
-            <tag_group_id>7</tag_group_id>
-          </tag>
-          <insert_size from="2000" to="6000"/>
-        </sample>
-        <sample sample_id="1392234" study_id="1980" library_type="Long range" project_id="919" library_name="PfIT_Sanger_5kb 4894525" library_id="4894525">
-          <tag tag_id="273">
-            <index>9</index>
-            <expected_sequence>GATCAGCGAT</expected_sequence>
-            <tag_group_id>7</tag_group_id>
-          </tag>
-          <insert_size from="2000" to="6000"/>
-        </sample>
-        <sample sample_id="1392235" study_id="1980" library_type="Long range" project_id="919" library_name="PfIT_SOLiD5500_5kb 4894526" library_id="4894526">
-          <tag tag_id="274">
-            <index>10</index>
-            <expected_sequence>TAGCTTGTAT</expected_sequence>
-            <tag_group_id>7</tag_group_id>
-          </tag>
-          <insert_size from="2000" to="6000"/>
-        </sample>
-      </pool>
-    </lane>
-  </lanes>
-</batch>
diff --git a/t/data/samplesheet/st/batches/16538.xml b/t/data/samplesheet/st/batches/16538.xml
deleted file mode 100755
index 974867a5..00000000
--- a/t/data/samplesheet/st/batches/16538.xml
+++ /dev/null
@@ -1,51 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<batch>
-  <id>16537</id>
-  <status>released</status>
-  <lanes>
-    <lane position="1" priority="0" id="4895948">
-      <pool name="Mate pair imp test" request_id="4127174" id="4894530" qc_state="pass">
-        <sample sample_id="1392238" study_id="1980" library_type="Long range" project_id="919" library_name="Mouse_test_3kb 4894529" library_id="4894529">
-          <tag tag_id="265">
-            <index>1</index>
-            <expected_sequence>ATCACGTTATAAAAAA</expected_sequence>
-            <tag_group_id>7</tag_group_id>
-          </tag>
-          <insert_size from="2000" to="6000"/>
-        </sample>
-        <sample sample_id="1392237" study_id="1980" library_type="Long range" project_id="919" library_name="Tetse_3kb 4894528" library_id="4894528">
-          <tag tag_id="266">
-            <index>2</index>
-            <expected_sequence>CGATGTTTATTTTTTT</expected_sequence>
-            <tag_group_id>7</tag_group_id>
-          </tag>
-          <insert_size from="2000" to="6000"/>
-        </sample>
-        <sample sample_id="1392236" study_id="1980" library_type="Long range" project_id="919" library_name="PfIT_454_5kb 4894527" library_id="4894527">
-          <tag tag_id="272">
-            <index>8</index>
-            <expected_sequence>ACTTGATGATCCCCCC</expected_sequence>
-            <tag_group_id>7</tag_group_id>
-          </tag>
-          <insert_size from="2000" to="6000"/>
-        </sample>
-        <sample sample_id="1392234" study_id="1980" library_type="Long range" project_id="919" library_name="PfIT_Sanger_5kb 4894525" library_id="4894525">
-          <tag tag_id="273">
-            <index>9</index>
-            <expected_sequence>GATCAGCGATGGGGGG</expected_sequence>
-            <tag_group_id>7</tag_group_id>
-          </tag>
-          <insert_size from="2000" to="6000"/>
-        </sample>
-        <sample sample_id="1392235" study_id="1980" library_type="Long range" project_id="919" library_name="PfIT_SOLiD5500_5kb 4894526" library_id="4894526">
-          <tag tag_id="274">
-            <index>10</index>
-            <expected_sequence>TAGCTTGTATACACGT</expected_sequence>
-            <tag_group_id>7</tag_group_id>
-          </tag>
-          <insert_size from="2000" to="6000"/>
-        </sample>
-      </pool>
-    </lane>
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diff --git a/t/data/samplesheet/st/batches/23798.xml b/t/data/samplesheet/st/batches/23798.xml
deleted file mode 100644
index 3b0c0979..00000000
--- a/t/data/samplesheet/st/batches/23798.xml
+++ /dev/null
@@ -1,939 +0,0 @@
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-<batch>
-  <id>23798</id>
-  <status>started</status>
-  <lanes>
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-        </sample>
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-            <expected_sequence>ACAACGCAAT</expected_sequence>
-            <tag_group_id>6</tag_group_id>
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-        <sample sample_id="1706426" library_id="8215055" library_name="mES_ai2_s2_cell37 8215055" library_type="qPCR only" study_id="2658" project_id="1366" consent_withdrawn="false">
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-        <sample sample_id="1706429" library_id="8215058" library_name="mES_ai2_s2_cell40 8215058" library_type="qPCR only" study_id="2658" project_id="1366" consent_withdrawn="false">
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-          <insert_size from="300" to="1000"/>
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-        </sample>
-        <sample sample_id="1706483" library_id="8215112" library_name="mES_ai2_s2_cell94 8215112" library_type="qPCR only" study_id="2658" project_id="1366" consent_withdrawn="false">
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-          <insert_size from="300" to="1000"/>
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-        <sample sample_id="1706484" library_id="8215113" library_name="mES_ai2_s2_cell95 8215113" library_type="qPCR only" study_id="2658" project_id="1366" consent_withdrawn="false">
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-        </sample>
-        <sample sample_id="1706485" library_id="8215114" library_name="mES_ai2_s2_cell96 8215114" library_type="qPCR only" study_id="2658" project_id="1366" consent_withdrawn="false">
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-            <index>168</index>
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-            <index>168</index>
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-      <pool id="8326170" name="2501_190913_H2" request_id="5695274" qc_state="">
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-          </tag>
-          <insert_size from="100" to="1000"/>
-        </sample>
-        <sample sample_id="1694495" library_id="8324593" library_name="T_BCM1_F5 8324593" library_type="Pre-quality controlled" study_id="2501" project_id="1238" consent_withdrawn="false">
-          <tag tag_id="2290">
-            <index>65</index>
-            <expected_sequence>ATTCAGAATAATCTTA</expected_sequence>
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-          <insert_size from="100" to="1000"/>
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-            <index>168</index>
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-          <tag tag_id="2301">
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-            <expected_sequence>GAGATTCCCAGGACGT</expected_sequence>
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-          </tag>
-          <insert_size from="100" to="1000"/>
-        </sample>
-        <sample sample_id="1694497" library_id="8324595" library_name="T_CBF1_G5 8324595" library_type="Pre-quality controlled" study_id="2501" project_id="1238" consent_withdrawn="false">
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-        </sample>
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diff --git a/t/data/samplesheet/st/projects/1238.xml b/t/data/samplesheet/st/projects/1238.xml
deleted file mode 100644
index 00851b29..00000000
--- a/t/data/samplesheet/st/projects/1238.xml
+++ /dev/null
@@ -1,37 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project api_version="0.6">
-  <id>1238</id>
-  <name>Mouse model to quantify genotype-epigenotype variations</name>
-  <approved>true</approved>
-  <state>active</state>
-  <descriptors>
-    <descriptor>
-      <name>Project cost code</name>
-      <value>S1553</value>
-    </descriptor>
-    <descriptor>
-      <name>Funding comments</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Collaborators</name>
-      <value>Anne Ferguson-Smith</value>
-    </descriptor>
-    <descriptor>
-      <name>External funding source</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Sequencing budget cost centre</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Project funding model</name>
-      <value>External</value>
-    </descriptor>
-    <descriptor>
-      <name>Genotyping committee Tracking ID</name>
-      <value></value>
-    </descriptor>
-  </descriptors>
-</project>
diff --git a/t/data/samplesheet/st/projects/1366.xml b/t/data/samplesheet/st/projects/1366.xml
deleted file mode 100644
index 101d334e..00000000
--- a/t/data/samplesheet/st/projects/1366.xml
+++ /dev/null
@@ -1,37 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project api_version="0.6">
-  <id>1366</id>
-  <name>Single-cell analysis of the transcriptomic heterogeneity of ground state pluripotency</name>
-  <approved>true</approved>
-  <state>active</state>
-  <descriptors>
-    <descriptor>
-      <name>Project cost code</name>
-      <value>S0917</value>
-    </descriptor>
-    <descriptor>
-      <name>Funding comments</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Collaborators</name>
-      <value>Pentao Liu</value>
-    </descriptor>
-    <descriptor>
-      <name>External funding source</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Sequencing budget cost centre</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Project funding model</name>
-      <value>Internal</value>
-    </descriptor>
-    <descriptor>
-      <name>Genotyping committee Tracking ID</name>
-      <value></value>
-    </descriptor>
-  </descriptors>
-</project>
diff --git a/t/data/samplesheet/st/projects/1422.xml b/t/data/samplesheet/st/projects/1422.xml
deleted file mode 100644
index c301bed5..00000000
--- a/t/data/samplesheet/st/projects/1422.xml
+++ /dev/null
@@ -1,37 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project api_version="0.6">
-  <id>1422</id>
-  <name>CGP Core Sequencing 10/13 to 09/14</name>
-  <approved>true</approved>
-  <state>active</state>
-  <descriptors>
-    <descriptor>
-      <name>Project cost code</name>
-      <value>S0814</value>
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-    <descriptor>
-      <name>Funding comments</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Collaborators</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>External funding source</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Sequencing budget cost centre</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Project funding model</name>
-      <value>Internal</value>
-    </descriptor>
-    <descriptor>
-      <name>Genotyping committee Tracking ID</name>
-      <value></value>
-    </descriptor>
-  </descriptors>
-</project>
diff --git a/t/data/samplesheet/st/projects/521.xml b/t/data/samplesheet/st/projects/521.xml
deleted file mode 100644
index a31c6810..00000000
--- a/t/data/samplesheet/st/projects/521.xml
+++ /dev/null
@@ -1,37 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project api_version="0.6">
-  <id>521</id>
-  <name>Strongyloides ratti transcriptome</name>
-  <approved>true</approved>
-  <state>active</state>
-  <descriptors>
-    <descriptor>
-      <name>Project cost code</name>
-      <value>S0702</value>
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-    <descriptor>
-      <name>Funding comments</name>
-      <value></value>
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-    <descriptor>
-      <name>Collaborators</name>
-      <value>Mark Viney</value>
-    </descriptor>
-    <descriptor>
-      <name>External funding source</name>
-      <value></value>
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-    <descriptor>
-      <name>Sequencing budget cost centre</name>
-      <value></value>
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-    <descriptor>
-      <name>Project funding model</name>
-      <value></value>
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-    <descriptor>
-      <name>Genotyping committee Tracking ID</name>
-      <value></value>
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-</project>
diff --git a/t/data/samplesheet/st/projects/678.xml b/t/data/samplesheet/st/projects/678.xml
deleted file mode 100644
index c754ab73..00000000
--- a/t/data/samplesheet/st/projects/678.xml
+++ /dev/null
@@ -1,37 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project api_version="0.6">
-  <id>678</id>
-  <name>MQ R and D</name>
-  <approved>true</approved>
-  <state>active</state>
-  <descriptors>
-    <descriptor>
-      <name>Project cost code</name>
-      <value>S0696</value>
-    </descriptor>
-    <descriptor>
-      <name>Funding comments</name>
-      <value>R and D</value>
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-    <descriptor>
-      <name>Collaborators</name>
-      <value></value>
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-      <name>External funding source</name>
-      <value></value>
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-    <descriptor>
-      <name>Sequencing budget cost centre</name>
-      <value></value>
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-    <descriptor>
-      <name>Project funding model</name>
-      <value>Internal</value>
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-    <descriptor>
-      <name>Genotyping committee Tracking ID</name>
-      <value></value>
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diff --git a/t/data/samplesheet/st/projects/714.xml b/t/data/samplesheet/st/projects/714.xml
deleted file mode 100644
index d512cf9b..00000000
--- a/t/data/samplesheet/st/projects/714.xml
+++ /dev/null
@@ -1,37 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project api_version="0.6">
-  <id>714</id>
-  <name>Haemonchus contortus Ivermectin Resistance Genomics Study</name>
-  <approved>true</approved>
-  <state>active</state>
-  <descriptors>
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-      <name>Project cost code</name>
-      <value>S0702</value>
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-      <name>Funding comments</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Collaborators</name>
-      <value>John Gilleard, Libby Redman</value>
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-    <descriptor>
-      <name>External funding source</name>
-      <value></value>
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-    <descriptor>
-      <name>Sequencing budget cost centre</name>
-      <value></value>
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-      <value>Internal</value>
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-      <name>Genotyping committee Tracking ID</name>
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diff --git a/t/data/samplesheet/st/samples/1255141.xml b/t/data/samplesheet/st/samples/1255141.xml
deleted file mode 100644
index 82a34675..00000000
--- a/t/data/samplesheet/st/samples/1255141.xml
+++ /dev/null
@@ -1,2860 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1255141</id>
-  <name>phiX_for_spiked_buffers</name>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value></value>
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-    <property>
-      <name>Cohort</name>
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-    <property>
-      <name>Country of origin</name>
-      <value></value>
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-    <property>
-      <name>Geographical region</name>
-      <value></value>
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-    <property>
-      <name>Ethnicity</name>
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-      <value></value>
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-    <property>
-      <name>TAXON ID</name>
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-    <property>
-      <name>ENA Sample Accession Number</name>
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diff --git a/t/data/samplesheet/st/samples/1289830.xml b/t/data/samplesheet/st/samples/1289830.xml
deleted file mode 100644
index 6e34c856..00000000
--- a/t/data/samplesheet/st/samples/1289830.xml
+++ /dev/null
@@ -1,206 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1289830</id>
-  <name>SriL3_66K_212889</name>
-  <study_id>521</study_id>
-  <properties>
-    <property>
-      <name>Age</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
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-    <property>
-      <name>Subject</name>
-      <value></value>
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-    <property>
-      <name>Genotype</name>
-      <value></value>
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-    <property>
-      <name>Purification method</name>
-      <value></value>
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-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
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-    <property>
-      <name>Sibling</name>
-      <value></value>
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-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
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-    <property>
-      <name>Sample Description</name>
-      <value></value>
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-    <property>
-      <name>Disease</name>
-      <value></value>
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-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value></value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
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-    <property>
-      <name>Compound</name>
-      <value></value>
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-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>ED321</value>
-    </property>
-    <property>
-      <name>Organism</name>
-      <value>Strongyloides ratti</value>
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-    <property>
-      <name>Treatment</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value></value>
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-    <property>
-      <name>Immunoprecipitate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value></value>
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-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
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-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>whole</value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Strongyloides ratti</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>Strongyloides ratti</value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
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-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Mixed</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>High AT</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>infective larvae L3</value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>34506</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Phenotype</name>
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-      <value></value>
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-    <property>
-      <name>Geographical region</name>
-      <value></value>
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-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Strongyloides_ratti (20100601)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset href="/assets/3785431" id="3785431"/>
-    <asset href="/assets/3789277" id="3789277"/>
-    <asset href="/assets/3911772" id="3911772"/>
-  </assets>
-  <study_id>521</study_id>
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diff --git a/t/data/samplesheet/st/samples/1289832.xml b/t/data/samplesheet/st/samples/1289832.xml
deleted file mode 100644
index b434484d..00000000
--- a/t/data/samplesheet/st/samples/1289832.xml
+++ /dev/null
@@ -1,207 +0,0 @@
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-<sample api_version="0.6">
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-  <name>sp200shear</name>
-  <study_id>700</study_id>
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-      <value>449_87</value>
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-    <property>
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-    <property>
-      <name>Growth Condition</name>
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-    <property>
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-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
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-    <property>
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-      <value>Salmonella pullorum</value>
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-    <property>
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-      <value>Salmonella pullorum</value>
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-      <value></value>
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-    <property>
-      <name>Reference Genome</name>
-      <value>Salmonella_pullorum (449_87)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset href="/assets/3789198" id="3789198"/>
-    <asset href="/assets/3789278" id="3789278"/>
-    <asset href="/assets/3789290" id="3789290"/>
-    <asset href="/assets/3789299" id="3789299"/>
-  </assets>
-  <study_id>700</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1289833.xml b/t/data/samplesheet/st/samples/1289833.xml
deleted file mode 100644
index 63245862..00000000
--- a/t/data/samplesheet/st/samples/1289833.xml
+++ /dev/null
@@ -1,207 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1289833</id>
-  <name>bp200shear</name>
-  <study_id>700</study_id>
-  <properties>
-    <property>
-      <name>Age</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>genomic DNA</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value></value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>Bpst24</value>
-    </property>
-    <property>
-      <name>Organism</name>
-      <value>Bordetella Pertussis</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Bordetella Pertussis</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>Bordetella Pertussis</value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value></value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>High GC</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>520</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Bordetella_pertussis (ST24)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset href="/assets/3789199" id="3789199"/>
-    <asset href="/assets/3789279" id="3789279"/>
-    <asset href="/assets/3789290" id="3789290"/>
-    <asset href="/assets/3789299" id="3789299"/>
-  </assets>
-  <study_id>700</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1289834.xml b/t/data/samplesheet/st/samples/1289834.xml
deleted file mode 100644
index 4013d67b..00000000
--- a/t/data/samplesheet/st/samples/1289834.xml
+++ /dev/null
@@ -1,207 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1289834</id>
-  <name>3D7200shear</name>
-  <study_id>700</study_id>
-  <properties>
-    <property>
-      <name>Age</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>genomic DNA</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value></value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>3D7</value>
-    </property>
-    <property>
-      <name>Organism</name>
-      <value>Plasmodium Falciparum</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Plasmodium Falciparum</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>Plasmodium Falciparum</value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value></value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>High AT</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>5820</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Plasmodium_falciparum (3D7)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset href="/assets/3789200" id="3789200"/>
-    <asset href="/assets/3789280" id="3789280"/>
-    <asset href="/assets/3789290" id="3789290"/>
-    <asset href="/assets/3789299" id="3789299"/>
-  </assets>
-  <study_id>700</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1289835.xml b/t/data/samplesheet/st/samples/1289835.xml
deleted file mode 100644
index 696b1f95..00000000
--- a/t/data/samplesheet/st/samples/1289835.xml
+++ /dev/null
@@ -1,207 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1289835</id>
-  <name>human200shear</name>
-  <study_id>700</study_id>
-  <properties>
-    <property>
-      <name>Age</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>genomic DNA</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value></value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>colo_829</value>
-    </property>
-    <property>
-      <name>Organism</name>
-      <value>Homo sapiens</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Human</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>Homo sapiens</value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value></value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>9606</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Homo_sapiens (GRCh37_53)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset href="/assets/3789201" id="3789201"/>
-    <asset href="/assets/3789281" id="3789281"/>
-    <asset href="/assets/3789290" id="3789290"/>
-    <asset href="/assets/3789299" id="3789299"/>
-  </assets>
-  <study_id>700</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1289836.xml b/t/data/samplesheet/st/samples/1289836.xml
deleted file mode 100644
index 2bd26c29..00000000
--- a/t/data/samplesheet/st/samples/1289836.xml
+++ /dev/null
@@ -1,207 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1289836</id>
-  <name>sp300shear</name>
-  <study_id>700</study_id>
-  <properties>
-    <property>
-      <name>Age</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>genomic DNA</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value></value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>449_87</value>
-    </property>
-    <property>
-      <name>Organism</name>
-      <value>Salmonella pullorum</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Salmonella pullorum</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>Salmonella pullorum</value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value></value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>590</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Salmonella_pullorum (449_87)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset href="/assets/3789202" id="3789202"/>
-    <asset href="/assets/3789282" id="3789282"/>
-    <asset href="/assets/3789290" id="3789290"/>
-    <asset href="/assets/3789299" id="3789299"/>
-  </assets>
-  <study_id>700</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1289837.xml b/t/data/samplesheet/st/samples/1289837.xml
deleted file mode 100644
index cf753bed..00000000
--- a/t/data/samplesheet/st/samples/1289837.xml
+++ /dev/null
@@ -1,207 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1289837</id>
-  <name>bp300shear</name>
-  <study_id>700</study_id>
-  <properties>
-    <property>
-      <name>Age</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>genomic DNA</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value></value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>Bpst24</value>
-    </property>
-    <property>
-      <name>Organism</name>
-      <value>Bordetella Pertussis</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Bordetella Pertussis</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>Bordetella Pertussis</value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value></value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>High GC</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>520</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Bordetella_pertussis (ST24)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset href="/assets/3789203" id="3789203"/>
-    <asset href="/assets/3789283" id="3789283"/>
-    <asset href="/assets/3789290" id="3789290"/>
-    <asset href="/assets/3789299" id="3789299"/>
-  </assets>
-  <study_id>700</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1289838.xml b/t/data/samplesheet/st/samples/1289838.xml
deleted file mode 100644
index 2bd2afda..00000000
--- a/t/data/samplesheet/st/samples/1289838.xml
+++ /dev/null
@@ -1,207 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1289838</id>
-  <name>3D7300shear</name>
-  <study_id>700</study_id>
-  <properties>
-    <property>
-      <name>Age</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>genomic DNA</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value></value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>3D7</value>
-    </property>
-    <property>
-      <name>Organism</name>
-      <value>Plasmodium Falciparum</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Plasmodium Falciparum</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>Plasmodium Falciparum</value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value></value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>High AT</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>5820</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Plasmodium_falciparum (3D7)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset href="/assets/3789204" id="3789204"/>
-    <asset href="/assets/3789284" id="3789284"/>
-    <asset href="/assets/3789290" id="3789290"/>
-    <asset href="/assets/3789299" id="3789299"/>
-  </assets>
-  <study_id>700</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1289839.xml b/t/data/samplesheet/st/samples/1289839.xml
deleted file mode 100644
index 5a62b2f5..00000000
--- a/t/data/samplesheet/st/samples/1289839.xml
+++ /dev/null
@@ -1,207 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1289839</id>
-  <name>human300shear</name>
-  <study_id>700</study_id>
-  <properties>
-    <property>
-      <name>Age</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>genomic DNA</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value></value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>colo_829</value>
-    </property>
-    <property>
-      <name>Organism</name>
-      <value>Homo sapiens</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Human</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>Homo sapiens</value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value></value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>9606</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Homo_sapiens (GRCh37_53)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset href="/assets/3789205" id="3789205"/>
-    <asset href="/assets/3789285" id="3789285"/>
-    <asset href="/assets/3789290" id="3789290"/>
-    <asset href="/assets/3789299" id="3789299"/>
-  </assets>
-  <study_id>700</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1289840.xml b/t/data/samplesheet/st/samples/1289840.xml
deleted file mode 100644
index 3242ca79..00000000
--- a/t/data/samplesheet/st/samples/1289840.xml
+++ /dev/null
@@ -1,207 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1289840</id>
-  <name>sp400shear</name>
-  <study_id>700</study_id>
-  <properties>
-    <property>
-      <name>Age</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>genomic DNA</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value></value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>449_87</value>
-    </property>
-    <property>
-      <name>Organism</name>
-      <value>Salmonella pullorum</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Salmonella pullorum</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>Salmonella pullorum</value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value></value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>590</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Salmonella_pullorum (449_87)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset href="/assets/3789206" id="3789206"/>
-    <asset href="/assets/3789286" id="3789286"/>
-    <asset href="/assets/3789290" id="3789290"/>
-    <asset href="/assets/3789299" id="3789299"/>
-  </assets>
-  <study_id>700</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1289841.xml b/t/data/samplesheet/st/samples/1289841.xml
deleted file mode 100644
index ba26d759..00000000
--- a/t/data/samplesheet/st/samples/1289841.xml
+++ /dev/null
@@ -1,207 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1289841</id>
-  <name>bp400shear</name>
-  <study_id>700</study_id>
-  <properties>
-    <property>
-      <name>Age</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>genomic DNA</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value></value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>Bpst24</value>
-    </property>
-    <property>
-      <name>Organism</name>
-      <value>Bordetella Pertussis</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Bordetella Pertussis</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>Bordetella Pertussis</value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value></value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>High GC</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>520</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Bordetella_pertussis (ST24)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset href="/assets/3789207" id="3789207"/>
-    <asset href="/assets/3789287" id="3789287"/>
-    <asset href="/assets/3789290" id="3789290"/>
-    <asset href="/assets/3789299" id="3789299"/>
-  </assets>
-  <study_id>700</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1289842.xml b/t/data/samplesheet/st/samples/1289842.xml
deleted file mode 100644
index 03e055f0..00000000
--- a/t/data/samplesheet/st/samples/1289842.xml
+++ /dev/null
@@ -1,207 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1289842</id>
-  <name>3D7400shear</name>
-  <study_id>700</study_id>
-  <properties>
-    <property>
-      <name>Age</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>genomic DNA</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value></value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>3D7</value>
-    </property>
-    <property>
-      <name>Organism</name>
-      <value>Plasmodium Falciparum</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Plasmodium Falciparum</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>Plasmodium Falciparum</value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value></value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>High AT</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>5820</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Plasmodium_falciparum (3D7)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset href="/assets/3789208" id="3789208"/>
-    <asset href="/assets/3789288" id="3789288"/>
-    <asset href="/assets/3789290" id="3789290"/>
-    <asset href="/assets/3789299" id="3789299"/>
-  </assets>
-  <study_id>700</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1289843.xml b/t/data/samplesheet/st/samples/1289843.xml
deleted file mode 100644
index d69233c9..00000000
--- a/t/data/samplesheet/st/samples/1289843.xml
+++ /dev/null
@@ -1,207 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1289843</id>
-  <name>human400shear</name>
-  <study_id>700</study_id>
-  <properties>
-    <property>
-      <name>Phenotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>9606</value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>genomic DNA</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Human</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>Homo sapiens</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value></value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>colo_829</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism</name>
-      <value>Homo sapiens</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Homo_sapiens (GRCh37_53)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset href="/assets/3789209" id="3789209"/>
-    <asset href="/assets/3789289" id="3789289"/>
-    <asset href="/assets/3789290" id="3789290"/>
-    <asset href="/assets/3789299" id="3789299"/>
-  </assets>
-  <study_id>700</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1392234.xml b/t/data/samplesheet/st/samples/1392234.xml
deleted file mode 100644
index 4bb1eac1..00000000
--- a/t/data/samplesheet/st/samples/1392234.xml
+++ /dev/null
@@ -1,207 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1392234</id>
-  <name>PfIT_Sanger_5kb</name>
-  <study_id>1980</study_id>
-  <properties>
-    <property>
-      <name>Age</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value></value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value></value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>High AT</value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Plasmodium_falciparum (3D7)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset href="/assets/4894520" id="4894520"/>
-    <asset href="/assets/4894525" id="4894525"/>
-    <asset href="/assets/4894530" id="4894530"/>
-    <asset href="/assets/4895948" id="4895948"/>
-  </assets>
-  <study_id>1980</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1392235.xml b/t/data/samplesheet/st/samples/1392235.xml
deleted file mode 100644
index c9b644f1..00000000
--- a/t/data/samplesheet/st/samples/1392235.xml
+++ /dev/null
@@ -1,207 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1392235</id>
-  <name>PfIT_SOLiD5500_5kb</name>
-  <study_id>1980</study_id>
-  <properties>
-    <property>
-      <name>Age</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value></value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value></value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>High AT</value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Plasmodium_falciparum (3D7)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset href="/assets/4894521" id="4894521"/>
-    <asset href="/assets/4894526" id="4894526"/>
-    <asset href="/assets/4894530" id="4894530"/>
-    <asset href="/assets/4895948" id="4895948"/>
-  </assets>
-  <study_id>1980</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1392236.xml b/t/data/samplesheet/st/samples/1392236.xml
deleted file mode 100644
index f2c05406..00000000
--- a/t/data/samplesheet/st/samples/1392236.xml
+++ /dev/null
@@ -1,207 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1392236</id>
-  <name>PfIT_454_5kb</name>
-  <study_id>1980</study_id>
-  <properties>
-    <property>
-      <name>Age</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value></value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value></value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>High AT</value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Plasmodium_falciparum (3D7)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset href="/assets/4894522" id="4894522"/>
-    <asset href="/assets/4894527" id="4894527"/>
-    <asset href="/assets/4894530" id="4894530"/>
-    <asset href="/assets/4895948" id="4895948"/>
-  </assets>
-  <study_id>1980</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1392237.xml b/t/data/samplesheet/st/samples/1392237.xml
deleted file mode 100644
index 10f04721..00000000
--- a/t/data/samplesheet/st/samples/1392237.xml
+++ /dev/null
@@ -1,207 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1392237</id>
-  <name>Tetse_3kb</name>
-  <study_id>1980</study_id>
-  <properties>
-    <property>
-      <name>Age</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value></value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value></value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>High AT</value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value></value>
-    </property>
-  </properties>
-  <assets>
-    <asset href="/assets/4894523" id="4894523"/>
-    <asset href="/assets/4894528" id="4894528"/>
-    <asset href="/assets/4894530" id="4894530"/>
-    <asset href="/assets/4895948" id="4895948"/>
-  </assets>
-  <study_id>1980</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1392238.xml b/t/data/samplesheet/st/samples/1392238.xml
deleted file mode 100644
index 02b0c91a..00000000
--- a/t/data/samplesheet/st/samples/1392238.xml
+++ /dev/null
@@ -1,207 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1392238</id>
-  <name>Mouse_test_3kb</name>
-  <study_id>1980</study_id>
-  <properties>
-    <property>
-      <name>Age</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value></value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value></value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset href="/assets/4894524" id="4894524"/>
-    <asset href="/assets/4894529" id="4894529"/>
-    <asset href="/assets/4894530" id="4894530"/>
-    <asset href="/assets/4895948" id="4895948"/>
-  </assets>
-  <study_id>1980</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1660679.xml b/t/data/samplesheet/st/samples/1660679.xml
deleted file mode 100644
index b1cef7fb..00000000
--- a/t/data/samplesheet/st/samples/1660679.xml
+++ /dev/null
@@ -1,211 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1660679</id>
-  <name>Hc_4_BC4_P2_5046_340285</name>
-  <study_id>1697</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>Haemonchus contortus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Mixed</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>Haemonchus contortus MHco3/4.BC4(P2)-5046</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Haemonchus contortus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>MHco3/4.BC4(P2)-5046</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>6289</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS323818</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>25-30 mixed male and female worms, strain identity was checked using a panel of 4 microsatellite loci that discriminate Haemonchus contortus strains</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value></value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Haemonchus_contortus (V1_21June13)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="7731765" href="/assets/7731765"/>
-    <asset id="7809257" href="/assets/7809257"/>
-    <asset id="7845110" href="/assets/7845110"/>
-  </assets>
-  <study_id>1697</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1660680.xml b/t/data/samplesheet/st/samples/1660680.xml
deleted file mode 100644
index 9722cc04..00000000
--- a/t/data/samplesheet/st/samples/1660680.xml
+++ /dev/null
@@ -1,211 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1660680</id>
-  <name>Hc_10_BC4_P2_5779_340285</name>
-  <study_id>1697</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>Haemonchus contortus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Mixed</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>Haemonchus contortus MHco3/10.BC4(P2)-5779</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Haemonchus contortus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>MHco3/10.BC4(P2)-5779</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>6289</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS323819</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>25-30 mixed male and female worms, strain identity was checked using a panel of 4 microsatellite loci that discriminate Haemonchus contortus strains</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value></value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Haemonchus_contortus (V1_21June13)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="7731766" href="/assets/7731766"/>
-    <asset id="7809258" href="/assets/7809258"/>
-    <asset id="7845111" href="/assets/7845111"/>
-  </assets>
-  <study_id>1697</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1694494.xml b/t/data/samplesheet/st/samples/1694494.xml
deleted file mode 100644
index 5b19be0e..00000000
--- a/t/data/samplesheet/st/samples/1694494.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1694494</id>
-  <name>T_BCM1_F4</name>
-  <study_id>2501</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>Mouse</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>RT_37</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value></value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS354532</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>RNA</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>8 weeks</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>T cells</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value></value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8171595" href="/assets/8171595"/>
-    <asset id="8324592" href="/assets/8324592"/>
-    <asset id="8326170" href="/assets/8326170"/>
-    <asset id="8381741" href="/assets/8381741"/>
-  </assets>
-  <study_id>2501</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1694495.xml b/t/data/samplesheet/st/samples/1694495.xml
deleted file mode 100644
index 09c98a30..00000000
--- a/t/data/samplesheet/st/samples/1694495.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1694495</id>
-  <name>T_BCM1_F5</name>
-  <study_id>2501</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>Mouse</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>RT_38</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value></value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS354533</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>RNA</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>8 weeks</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>T cells</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value></value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8171596" href="/assets/8171596"/>
-    <asset id="8324593" href="/assets/8324593"/>
-    <asset id="8326170" href="/assets/8326170"/>
-    <asset id="8381741" href="/assets/8381741"/>
-  </assets>
-  <study_id>2501</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1694496.xml b/t/data/samplesheet/st/samples/1694496.xml
deleted file mode 100644
index e81e3ea0..00000000
--- a/t/data/samplesheet/st/samples/1694496.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1694496</id>
-  <name>T_CBF1_G4</name>
-  <study_id>2501</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>Mouse</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>RT_39</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value></value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS354534</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>RNA</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>8 weeks</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>T cells</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value></value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8171597" href="/assets/8171597"/>
-    <asset id="8324594" href="/assets/8324594"/>
-    <asset id="8326267" href="/assets/8326267"/>
-    <asset id="8381742" href="/assets/8381742"/>
-  </assets>
-  <study_id>2501</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1694497.xml b/t/data/samplesheet/st/samples/1694497.xml
deleted file mode 100644
index 8e75af7a..00000000
--- a/t/data/samplesheet/st/samples/1694497.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1694497</id>
-  <name>T_CBF1_G5</name>
-  <study_id>2501</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>Mouse</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>RT_40</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value></value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS354535</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>RNA</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>8 weeks</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>T cells</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value></value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8171598" href="/assets/8171598"/>
-    <asset id="8324595" href="/assets/8324595"/>
-    <asset id="8326267" href="/assets/8326267"/>
-    <asset id="8381742" href="/assets/8381742"/>
-  </assets>
-  <study_id>2501</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1694498.xml b/t/data/samplesheet/st/samples/1694498.xml
deleted file mode 100644
index 25743f1e..00000000
--- a/t/data/samplesheet/st/samples/1694498.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1694498</id>
-  <name>T_CBM2_H4</name>
-  <study_id>2501</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>Mouse</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>RT_41</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value></value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS354536</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>RNA</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>8 weeks</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>T cells</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value></value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8171599" href="/assets/8171599"/>
-    <asset id="8324596" href="/assets/8324596"/>
-    <asset id="8326557" href="/assets/8326557"/>
-    <asset id="8381743" href="/assets/8381743"/>
-  </assets>
-  <study_id>2501</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1694499.xml b/t/data/samplesheet/st/samples/1694499.xml
deleted file mode 100644
index 826bec8c..00000000
--- a/t/data/samplesheet/st/samples/1694499.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1694499</id>
-  <name>T_CBM2_H5</name>
-  <study_id>2501</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>Mouse</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>RT_42</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value></value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS354537</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>RNA</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>8 weeks</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>T cells</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value></value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8171600" href="/assets/8171600"/>
-    <asset id="8324597" href="/assets/8324597"/>
-    <asset id="8326557" href="/assets/8326557"/>
-    <asset id="8381743" href="/assets/8381743"/>
-  </assets>
-  <study_id>2501</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706390.xml b/t/data/samplesheet/st/samples/1706390.xml
deleted file mode 100644
index 187d5307..00000000
--- a/t/data/samplesheet/st/samples/1706390.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706390</id>
-  <name>mES_ai2_s2_cell1</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>1</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell1</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351213</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200965" href="/assets/8200965"/>
-    <asset id="8215019" href="/assets/8215019"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706391.xml b/t/data/samplesheet/st/samples/1706391.xml
deleted file mode 100644
index 8b187d5e..00000000
--- a/t/data/samplesheet/st/samples/1706391.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706391</id>
-  <name>mES_ai2_s2_cell2</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>2</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell2</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351214</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200966" href="/assets/8200966"/>
-    <asset id="8215020" href="/assets/8215020"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706392.xml b/t/data/samplesheet/st/samples/1706392.xml
deleted file mode 100644
index 9b0cdbd3..00000000
--- a/t/data/samplesheet/st/samples/1706392.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706392</id>
-  <name>mES_ai2_s2_cell3</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>3</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell3</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351221</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200967" href="/assets/8200967"/>
-    <asset id="8215021" href="/assets/8215021"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706393.xml b/t/data/samplesheet/st/samples/1706393.xml
deleted file mode 100644
index 34a5f3e2..00000000
--- a/t/data/samplesheet/st/samples/1706393.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706393</id>
-  <name>mES_ai2_s2_cell4</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>4</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell4</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351222</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200968" href="/assets/8200968"/>
-    <asset id="8215022" href="/assets/8215022"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706394.xml b/t/data/samplesheet/st/samples/1706394.xml
deleted file mode 100644
index bb2f4e57..00000000
--- a/t/data/samplesheet/st/samples/1706394.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706394</id>
-  <name>mES_ai2_s2_cell5</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>5</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell5</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351223</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200969" href="/assets/8200969"/>
-    <asset id="8215023" href="/assets/8215023"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706395.xml b/t/data/samplesheet/st/samples/1706395.xml
deleted file mode 100644
index 8d9130d0..00000000
--- a/t/data/samplesheet/st/samples/1706395.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706395</id>
-  <name>mES_ai2_s2_cell6</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>6</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell6</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351224</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200970" href="/assets/8200970"/>
-    <asset id="8215024" href="/assets/8215024"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706396.xml b/t/data/samplesheet/st/samples/1706396.xml
deleted file mode 100644
index 4b36b579..00000000
--- a/t/data/samplesheet/st/samples/1706396.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706396</id>
-  <name>mES_ai2_s2_cell7</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>7</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell7</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351225</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200971" href="/assets/8200971"/>
-    <asset id="8215025" href="/assets/8215025"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706397.xml b/t/data/samplesheet/st/samples/1706397.xml
deleted file mode 100644
index a75b66e9..00000000
--- a/t/data/samplesheet/st/samples/1706397.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706397</id>
-  <name>mES_ai2_s2_cell8</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>8</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell8</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351218</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200972" href="/assets/8200972"/>
-    <asset id="8215026" href="/assets/8215026"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706398.xml b/t/data/samplesheet/st/samples/1706398.xml
deleted file mode 100644
index 0759aeac..00000000
--- a/t/data/samplesheet/st/samples/1706398.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706398</id>
-  <name>mES_ai2_s2_cell9</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>9</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell9</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351219</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200973" href="/assets/8200973"/>
-    <asset id="8215027" href="/assets/8215027"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706399.xml b/t/data/samplesheet/st/samples/1706399.xml
deleted file mode 100644
index 93bf42c7..00000000
--- a/t/data/samplesheet/st/samples/1706399.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706399</id>
-  <name>mES_ai2_s2_cell10</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>10</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell10</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351220</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200974" href="/assets/8200974"/>
-    <asset id="8215028" href="/assets/8215028"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706400.xml b/t/data/samplesheet/st/samples/1706400.xml
deleted file mode 100644
index 5308e0e6..00000000
--- a/t/data/samplesheet/st/samples/1706400.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706400</id>
-  <name>mES_ai2_s2_cell11</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>11</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell11</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351235</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200975" href="/assets/8200975"/>
-    <asset id="8215029" href="/assets/8215029"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706401.xml b/t/data/samplesheet/st/samples/1706401.xml
deleted file mode 100644
index 2d8e7b64..00000000
--- a/t/data/samplesheet/st/samples/1706401.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706401</id>
-  <name>mES_ai2_s2_cell12</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>12</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell12</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351237</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200976" href="/assets/8200976"/>
-    <asset id="8215030" href="/assets/8215030"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706402.xml b/t/data/samplesheet/st/samples/1706402.xml
deleted file mode 100644
index fe3fa615..00000000
--- a/t/data/samplesheet/st/samples/1706402.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706402</id>
-  <name>mES_ai2_s2_cell13</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>13</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell13</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351238</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200977" href="/assets/8200977"/>
-    <asset id="8215031" href="/assets/8215031"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706403.xml b/t/data/samplesheet/st/samples/1706403.xml
deleted file mode 100644
index 179f6da4..00000000
--- a/t/data/samplesheet/st/samples/1706403.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706403</id>
-  <name>mES_ai2_s2_cell14</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>14</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell14</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351239</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200978" href="/assets/8200978"/>
-    <asset id="8215032" href="/assets/8215032"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706404.xml b/t/data/samplesheet/st/samples/1706404.xml
deleted file mode 100644
index 47acebe5..00000000
--- a/t/data/samplesheet/st/samples/1706404.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706404</id>
-  <name>mES_ai2_s2_cell15</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>15</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell15</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351241</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200979" href="/assets/8200979"/>
-    <asset id="8215033" href="/assets/8215033"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706405.xml b/t/data/samplesheet/st/samples/1706405.xml
deleted file mode 100644
index ffeabda5..00000000
--- a/t/data/samplesheet/st/samples/1706405.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706405</id>
-  <name>mES_ai2_s2_cell16</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>16</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell16</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351226</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200980" href="/assets/8200980"/>
-    <asset id="8215034" href="/assets/8215034"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706406.xml b/t/data/samplesheet/st/samples/1706406.xml
deleted file mode 100644
index 3b3d8653..00000000
--- a/t/data/samplesheet/st/samples/1706406.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706406</id>
-  <name>mES_ai2_s2_cell17</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>17</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell17</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351227</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200981" href="/assets/8200981"/>
-    <asset id="8215035" href="/assets/8215035"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706407.xml b/t/data/samplesheet/st/samples/1706407.xml
deleted file mode 100644
index 528716e1..00000000
--- a/t/data/samplesheet/st/samples/1706407.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706407</id>
-  <name>mES_ai2_s2_cell18</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>18</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell18</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351234</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200982" href="/assets/8200982"/>
-    <asset id="8215036" href="/assets/8215036"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706408.xml b/t/data/samplesheet/st/samples/1706408.xml
deleted file mode 100644
index 5009b1b1..00000000
--- a/t/data/samplesheet/st/samples/1706408.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706408</id>
-  <name>mES_ai2_s2_cell19</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>19</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell19</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351236</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200983" href="/assets/8200983"/>
-    <asset id="8215037" href="/assets/8215037"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706409.xml b/t/data/samplesheet/st/samples/1706409.xml
deleted file mode 100644
index 03e3c89e..00000000
--- a/t/data/samplesheet/st/samples/1706409.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706409</id>
-  <name>mES_ai2_s2_cell20</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>20</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell20</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351247</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200984" href="/assets/8200984"/>
-    <asset id="8215038" href="/assets/8215038"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706410.xml b/t/data/samplesheet/st/samples/1706410.xml
deleted file mode 100644
index 0134c889..00000000
--- a/t/data/samplesheet/st/samples/1706410.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706410</id>
-  <name>mES_ai2_s2_cell21</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>21</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell21</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351249</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200985" href="/assets/8200985"/>
-    <asset id="8215039" href="/assets/8215039"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706411.xml b/t/data/samplesheet/st/samples/1706411.xml
deleted file mode 100644
index 769c8431..00000000
--- a/t/data/samplesheet/st/samples/1706411.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706411</id>
-  <name>mES_ai2_s2_cell22</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>22</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell22</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351251</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200986" href="/assets/8200986"/>
-    <asset id="8215040" href="/assets/8215040"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706412.xml b/t/data/samplesheet/st/samples/1706412.xml
deleted file mode 100644
index fc13d974..00000000
--- a/t/data/samplesheet/st/samples/1706412.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706412</id>
-  <name>mES_ai2_s2_cell23</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>23</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell23</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351252</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200987" href="/assets/8200987"/>
-    <asset id="8215041" href="/assets/8215041"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706413.xml b/t/data/samplesheet/st/samples/1706413.xml
deleted file mode 100644
index a464a395..00000000
--- a/t/data/samplesheet/st/samples/1706413.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706413</id>
-  <name>mES_ai2_s2_cell24</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>24</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell24</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351242</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200988" href="/assets/8200988"/>
-    <asset id="8215042" href="/assets/8215042"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706414.xml b/t/data/samplesheet/st/samples/1706414.xml
deleted file mode 100644
index f200e65d..00000000
--- a/t/data/samplesheet/st/samples/1706414.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706414</id>
-  <name>mES_ai2_s2_cell25</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>25</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell25</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351243</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200989" href="/assets/8200989"/>
-    <asset id="8215043" href="/assets/8215043"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706415.xml b/t/data/samplesheet/st/samples/1706415.xml
deleted file mode 100644
index 5c656bcc..00000000
--- a/t/data/samplesheet/st/samples/1706415.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706415</id>
-  <name>mES_ai2_s2_cell26</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>26</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell26</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351244</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200990" href="/assets/8200990"/>
-    <asset id="8215044" href="/assets/8215044"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706416.xml b/t/data/samplesheet/st/samples/1706416.xml
deleted file mode 100644
index c2b364da..00000000
--- a/t/data/samplesheet/st/samples/1706416.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706416</id>
-  <name>mES_ai2_s2_cell27</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>27</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell27</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351245</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200991" href="/assets/8200991"/>
-    <asset id="8215045" href="/assets/8215045"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706417.xml b/t/data/samplesheet/st/samples/1706417.xml
deleted file mode 100644
index 05aee223..00000000
--- a/t/data/samplesheet/st/samples/1706417.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706417</id>
-  <name>mES_ai2_s2_cell28</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>28</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell28</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351248</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200992" href="/assets/8200992"/>
-    <asset id="8215046" href="/assets/8215046"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706418.xml b/t/data/samplesheet/st/samples/1706418.xml
deleted file mode 100644
index c06b3c48..00000000
--- a/t/data/samplesheet/st/samples/1706418.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706418</id>
-  <name>mES_ai2_s2_cell29</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>29</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell29</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351250</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200993" href="/assets/8200993"/>
-    <asset id="8215047" href="/assets/8215047"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706419.xml b/t/data/samplesheet/st/samples/1706419.xml
deleted file mode 100644
index a0d5e225..00000000
--- a/t/data/samplesheet/st/samples/1706419.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706419</id>
-  <name>mES_ai2_s2_cell30</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>30</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell30</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351260</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200994" href="/assets/8200994"/>
-    <asset id="8215048" href="/assets/8215048"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706420.xml b/t/data/samplesheet/st/samples/1706420.xml
deleted file mode 100644
index 98c670f0..00000000
--- a/t/data/samplesheet/st/samples/1706420.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706420</id>
-  <name>mES_ai2_s2_cell31</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>31</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell31</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351261</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200995" href="/assets/8200995"/>
-    <asset id="8215049" href="/assets/8215049"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706421.xml b/t/data/samplesheet/st/samples/1706421.xml
deleted file mode 100644
index 2f8138ec..00000000
--- a/t/data/samplesheet/st/samples/1706421.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706421</id>
-  <name>mES_ai2_s2_cell32</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>32</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell32</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351254</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200996" href="/assets/8200996"/>
-    <asset id="8215050" href="/assets/8215050"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706422.xml b/t/data/samplesheet/st/samples/1706422.xml
deleted file mode 100644
index 3330ec4a..00000000
--- a/t/data/samplesheet/st/samples/1706422.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706422</id>
-  <name>mES_ai2_s2_cell33</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>33</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell33</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351255</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200997" href="/assets/8200997"/>
-    <asset id="8215051" href="/assets/8215051"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706423.xml b/t/data/samplesheet/st/samples/1706423.xml
deleted file mode 100644
index 60a71a11..00000000
--- a/t/data/samplesheet/st/samples/1706423.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706423</id>
-  <name>mES_ai2_s2_cell34</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>34</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell34</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351256</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200998" href="/assets/8200998"/>
-    <asset id="8215052" href="/assets/8215052"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706424.xml b/t/data/samplesheet/st/samples/1706424.xml
deleted file mode 100644
index d6a94d6d..00000000
--- a/t/data/samplesheet/st/samples/1706424.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706424</id>
-  <name>mES_ai2_s2_cell35</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>35</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell35</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351257</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8200999" href="/assets/8200999"/>
-    <asset id="8215053" href="/assets/8215053"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706425.xml b/t/data/samplesheet/st/samples/1706425.xml
deleted file mode 100644
index 1f63c1a2..00000000
--- a/t/data/samplesheet/st/samples/1706425.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706425</id>
-  <name>mES_ai2_s2_cell36</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>36</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell36</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351258</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201000" href="/assets/8201000"/>
-    <asset id="8215054" href="/assets/8215054"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706426.xml b/t/data/samplesheet/st/samples/1706426.xml
deleted file mode 100644
index 6d40a2e1..00000000
--- a/t/data/samplesheet/st/samples/1706426.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706426</id>
-  <name>mES_ai2_s2_cell37</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>37</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell37</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351259</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201001" href="/assets/8201001"/>
-    <asset id="8215055" href="/assets/8215055"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706427.xml b/t/data/samplesheet/st/samples/1706427.xml
deleted file mode 100644
index 378c6d6d..00000000
--- a/t/data/samplesheet/st/samples/1706427.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706427</id>
-  <name>mES_ai2_s2_cell38</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>38</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell38</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351269</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201002" href="/assets/8201002"/>
-    <asset id="8215056" href="/assets/8215056"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706428.xml b/t/data/samplesheet/st/samples/1706428.xml
deleted file mode 100644
index f5a02950..00000000
--- a/t/data/samplesheet/st/samples/1706428.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706428</id>
-  <name>mES_ai2_s2_cell39</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>39</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell39</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351271</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201003" href="/assets/8201003"/>
-    <asset id="8215057" href="/assets/8215057"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706429.xml b/t/data/samplesheet/st/samples/1706429.xml
deleted file mode 100644
index 8ee6a762..00000000
--- a/t/data/samplesheet/st/samples/1706429.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706429</id>
-  <name>mES_ai2_s2_cell40</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>40</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell40</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351262</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201004" href="/assets/8201004"/>
-    <asset id="8215058" href="/assets/8215058"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706430.xml b/t/data/samplesheet/st/samples/1706430.xml
deleted file mode 100644
index 01cee266..00000000
--- a/t/data/samplesheet/st/samples/1706430.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706430</id>
-  <name>mES_ai2_s2_cell41</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>41</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell41</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351263</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201005" href="/assets/8201005"/>
-    <asset id="8215059" href="/assets/8215059"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706431.xml b/t/data/samplesheet/st/samples/1706431.xml
deleted file mode 100644
index b50c083f..00000000
--- a/t/data/samplesheet/st/samples/1706431.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706431</id>
-  <name>mES_ai2_s2_cell42</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>42</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell42</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351264</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201006" href="/assets/8201006"/>
-    <asset id="8215060" href="/assets/8215060"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706432.xml b/t/data/samplesheet/st/samples/1706432.xml
deleted file mode 100644
index c36efe8f..00000000
--- a/t/data/samplesheet/st/samples/1706432.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706432</id>
-  <name>mES_ai2_s2_cell43</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>43</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell43</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351266</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201007" href="/assets/8201007"/>
-    <asset id="8215061" href="/assets/8215061"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706433.xml b/t/data/samplesheet/st/samples/1706433.xml
deleted file mode 100644
index b29ed642..00000000
--- a/t/data/samplesheet/st/samples/1706433.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706433</id>
-  <name>mES_ai2_s2_cell44</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>44</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell44</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351267</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201008" href="/assets/8201008"/>
-    <asset id="8215062" href="/assets/8215062"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706434.xml b/t/data/samplesheet/st/samples/1706434.xml
deleted file mode 100644
index e9c4cfbb..00000000
--- a/t/data/samplesheet/st/samples/1706434.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706434</id>
-  <name>mES_ai2_s2_cell45</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>45</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell45</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351268</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201009" href="/assets/8201009"/>
-    <asset id="8215063" href="/assets/8215063"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706435.xml b/t/data/samplesheet/st/samples/1706435.xml
deleted file mode 100644
index 2634c023..00000000
--- a/t/data/samplesheet/st/samples/1706435.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706435</id>
-  <name>mES_ai2_s2_cell46</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>46</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell46</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351270</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201010" href="/assets/8201010"/>
-    <asset id="8215064" href="/assets/8215064"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706436.xml b/t/data/samplesheet/st/samples/1706436.xml
deleted file mode 100644
index 0f73d7e9..00000000
--- a/t/data/samplesheet/st/samples/1706436.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706436</id>
-  <name>mES_ai2_s2_cell47</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>47</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell47</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351272</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201011" href="/assets/8201011"/>
-    <asset id="8215065" href="/assets/8215065"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706437.xml b/t/data/samplesheet/st/samples/1706437.xml
deleted file mode 100644
index 15ed24a3..00000000
--- a/t/data/samplesheet/st/samples/1706437.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706437</id>
-  <name>mES_ai2_s2_cell48</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>48</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell48</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351273</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201012" href="/assets/8201012"/>
-    <asset id="8215066" href="/assets/8215066"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706438.xml b/t/data/samplesheet/st/samples/1706438.xml
deleted file mode 100644
index 07d41562..00000000
--- a/t/data/samplesheet/st/samples/1706438.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706438</id>
-  <name>mES_ai2_s2_cell49</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>49</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell49</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351275</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201013" href="/assets/8201013"/>
-    <asset id="8215067" href="/assets/8215067"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706439.xml b/t/data/samplesheet/st/samples/1706439.xml
deleted file mode 100644
index 04c886c7..00000000
--- a/t/data/samplesheet/st/samples/1706439.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706439</id>
-  <name>mES_ai2_s2_cell50</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>50</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell50</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351277</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201014" href="/assets/8201014"/>
-    <asset id="8215068" href="/assets/8215068"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706440.xml b/t/data/samplesheet/st/samples/1706440.xml
deleted file mode 100644
index bd507232..00000000
--- a/t/data/samplesheet/st/samples/1706440.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706440</id>
-  <name>mES_ai2_s2_cell51</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>51</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell51</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351278</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201015" href="/assets/8201015"/>
-    <asset id="8215069" href="/assets/8215069"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706441.xml b/t/data/samplesheet/st/samples/1706441.xml
deleted file mode 100644
index fcef99ba..00000000
--- a/t/data/samplesheet/st/samples/1706441.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706441</id>
-  <name>mES_ai2_s2_cell52</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>52</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell52</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351279</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201016" href="/assets/8201016"/>
-    <asset id="8215070" href="/assets/8215070"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706442.xml b/t/data/samplesheet/st/samples/1706442.xml
deleted file mode 100644
index 60f65862..00000000
--- a/t/data/samplesheet/st/samples/1706442.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706442</id>
-  <name>mES_ai2_s2_cell53</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>53</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell53</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351280</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201017" href="/assets/8201017"/>
-    <asset id="8215071" href="/assets/8215071"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706443.xml b/t/data/samplesheet/st/samples/1706443.xml
deleted file mode 100644
index 6a02dd5c..00000000
--- a/t/data/samplesheet/st/samples/1706443.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706443</id>
-  <name>mES_ai2_s2_cell54</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>54</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell54</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351281</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201018" href="/assets/8201018"/>
-    <asset id="8215072" href="/assets/8215072"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706444.xml b/t/data/samplesheet/st/samples/1706444.xml
deleted file mode 100644
index 9e54935b..00000000
--- a/t/data/samplesheet/st/samples/1706444.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706444</id>
-  <name>mES_ai2_s2_cell55</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>55</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell55</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351282</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201019" href="/assets/8201019"/>
-    <asset id="8215073" href="/assets/8215073"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706445.xml b/t/data/samplesheet/st/samples/1706445.xml
deleted file mode 100644
index 9504267b..00000000
--- a/t/data/samplesheet/st/samples/1706445.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706445</id>
-  <name>mES_ai2_s2_cell56</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>56</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell56</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351274</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201020" href="/assets/8201020"/>
-    <asset id="8215074" href="/assets/8215074"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706446.xml b/t/data/samplesheet/st/samples/1706446.xml
deleted file mode 100644
index 49705eb4..00000000
--- a/t/data/samplesheet/st/samples/1706446.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706446</id>
-  <name>mES_ai2_s2_cell57</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>57</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell57</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351276</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201021" href="/assets/8201021"/>
-    <asset id="8215075" href="/assets/8215075"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706447.xml b/t/data/samplesheet/st/samples/1706447.xml
deleted file mode 100644
index 978a8957..00000000
--- a/t/data/samplesheet/st/samples/1706447.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706447</id>
-  <name>mES_ai2_s2_cell58</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>58</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell58</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351285</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201022" href="/assets/8201022"/>
-    <asset id="8215076" href="/assets/8215076"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706448.xml b/t/data/samplesheet/st/samples/1706448.xml
deleted file mode 100644
index f444b686..00000000
--- a/t/data/samplesheet/st/samples/1706448.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706448</id>
-  <name>mES_ai2_s2_cell59</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>59</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell59</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351286</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201023" href="/assets/8201023"/>
-    <asset id="8215077" href="/assets/8215077"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706449.xml b/t/data/samplesheet/st/samples/1706449.xml
deleted file mode 100644
index e9efe1f0..00000000
--- a/t/data/samplesheet/st/samples/1706449.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706449</id>
-  <name>mES_ai2_s2_cell60</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>60</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell60</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351287</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201024" href="/assets/8201024"/>
-    <asset id="8215078" href="/assets/8215078"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706450.xml b/t/data/samplesheet/st/samples/1706450.xml
deleted file mode 100644
index fb059e6b..00000000
--- a/t/data/samplesheet/st/samples/1706450.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706450</id>
-  <name>mES_ai2_s2_cell61</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>61</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell61</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351288</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201025" href="/assets/8201025"/>
-    <asset id="8215079" href="/assets/8215079"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706451.xml b/t/data/samplesheet/st/samples/1706451.xml
deleted file mode 100644
index 9952af75..00000000
--- a/t/data/samplesheet/st/samples/1706451.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706451</id>
-  <name>mES_ai2_s2_cell62</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>62</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell62</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351289</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201026" href="/assets/8201026"/>
-    <asset id="8215080" href="/assets/8215080"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706452.xml b/t/data/samplesheet/st/samples/1706452.xml
deleted file mode 100644
index 6d98519a..00000000
--- a/t/data/samplesheet/st/samples/1706452.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706452</id>
-  <name>mES_ai2_s2_cell63</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>63</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell63</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351290</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201027" href="/assets/8201027"/>
-    <asset id="8215081" href="/assets/8215081"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706453.xml b/t/data/samplesheet/st/samples/1706453.xml
deleted file mode 100644
index 159cf756..00000000
--- a/t/data/samplesheet/st/samples/1706453.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706453</id>
-  <name>mES_ai2_s2_cell64</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>64</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell64</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351283</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201028" href="/assets/8201028"/>
-    <asset id="8215082" href="/assets/8215082"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706454.xml b/t/data/samplesheet/st/samples/1706454.xml
deleted file mode 100644
index 1dd20f84..00000000
--- a/t/data/samplesheet/st/samples/1706454.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706454</id>
-  <name>mES_ai2_s2_cell65</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>65</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell65</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351284</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201029" href="/assets/8201029"/>
-    <asset id="8215083" href="/assets/8215083"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706455.xml b/t/data/samplesheet/st/samples/1706455.xml
deleted file mode 100644
index db8d2ccc..00000000
--- a/t/data/samplesheet/st/samples/1706455.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706455</id>
-  <name>mES_ai2_s2_cell66</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>66</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell66</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351292</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201030" href="/assets/8201030"/>
-    <asset id="8215084" href="/assets/8215084"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706456.xml b/t/data/samplesheet/st/samples/1706456.xml
deleted file mode 100644
index fde3fe6a..00000000
--- a/t/data/samplesheet/st/samples/1706456.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706456</id>
-  <name>mES_ai2_s2_cell67</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>67</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell67</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351293</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201031" href="/assets/8201031"/>
-    <asset id="8215085" href="/assets/8215085"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706457.xml b/t/data/samplesheet/st/samples/1706457.xml
deleted file mode 100644
index dedfeaf5..00000000
--- a/t/data/samplesheet/st/samples/1706457.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706457</id>
-  <name>mES_ai2_s2_cell68</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>68</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell68</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351294</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201032" href="/assets/8201032"/>
-    <asset id="8215086" href="/assets/8215086"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706458.xml b/t/data/samplesheet/st/samples/1706458.xml
deleted file mode 100644
index be6aa1c0..00000000
--- a/t/data/samplesheet/st/samples/1706458.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706458</id>
-  <name>mES_ai2_s2_cell69</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>69</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell69</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351295</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201033" href="/assets/8201033"/>
-    <asset id="8215087" href="/assets/8215087"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706459.xml b/t/data/samplesheet/st/samples/1706459.xml
deleted file mode 100644
index ae502c8e..00000000
--- a/t/data/samplesheet/st/samples/1706459.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706459</id>
-  <name>mES_ai2_s2_cell70</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>70</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell70</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351296</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201034" href="/assets/8201034"/>
-    <asset id="8215088" href="/assets/8215088"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706460.xml b/t/data/samplesheet/st/samples/1706460.xml
deleted file mode 100644
index 194e65bb..00000000
--- a/t/data/samplesheet/st/samples/1706460.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706460</id>
-  <name>mES_ai2_s2_cell71</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>71</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell71</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351297</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201035" href="/assets/8201035"/>
-    <asset id="8215089" href="/assets/8215089"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706461.xml b/t/data/samplesheet/st/samples/1706461.xml
deleted file mode 100644
index d2c15a91..00000000
--- a/t/data/samplesheet/st/samples/1706461.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706461</id>
-  <name>mES_ai2_s2_cell72</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>72</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell72</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351291</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201036" href="/assets/8201036"/>
-    <asset id="8215090" href="/assets/8215090"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706462.xml b/t/data/samplesheet/st/samples/1706462.xml
deleted file mode 100644
index a8db5e19..00000000
--- a/t/data/samplesheet/st/samples/1706462.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706462</id>
-  <name>mES_ai2_s2_cell73</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>73</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell73</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351299</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201037" href="/assets/8201037"/>
-    <asset id="8215091" href="/assets/8215091"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706463.xml b/t/data/samplesheet/st/samples/1706463.xml
deleted file mode 100644
index db496d03..00000000
--- a/t/data/samplesheet/st/samples/1706463.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706463</id>
-  <name>mES_ai2_s2_cell74</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>74</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell74</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351301</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201038" href="/assets/8201038"/>
-    <asset id="8215092" href="/assets/8215092"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706464.xml b/t/data/samplesheet/st/samples/1706464.xml
deleted file mode 100644
index 2cdac9cc..00000000
--- a/t/data/samplesheet/st/samples/1706464.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706464</id>
-  <name>mES_ai2_s2_cell75</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>75</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell75</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351302</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201039" href="/assets/8201039"/>
-    <asset id="8215093" href="/assets/8215093"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706465.xml b/t/data/samplesheet/st/samples/1706465.xml
deleted file mode 100644
index d28a021b..00000000
--- a/t/data/samplesheet/st/samples/1706465.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706465</id>
-  <name>mES_ai2_s2_cell76</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>76</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell76</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351303</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201040" href="/assets/8201040"/>
-    <asset id="8215094" href="/assets/8215094"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706466.xml b/t/data/samplesheet/st/samples/1706466.xml
deleted file mode 100644
index 60165e68..00000000
--- a/t/data/samplesheet/st/samples/1706466.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706466</id>
-  <name>mES_ai2_s2_cell77</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>77</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell77</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351304</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201041" href="/assets/8201041"/>
-    <asset id="8215095" href="/assets/8215095"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706467.xml b/t/data/samplesheet/st/samples/1706467.xml
deleted file mode 100644
index 022a1e81..00000000
--- a/t/data/samplesheet/st/samples/1706467.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706467</id>
-  <name>mES_ai2_s2_cell78</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>78</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell78</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351305</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201042" href="/assets/8201042"/>
-    <asset id="8215096" href="/assets/8215096"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706468.xml b/t/data/samplesheet/st/samples/1706468.xml
deleted file mode 100644
index e311df5b..00000000
--- a/t/data/samplesheet/st/samples/1706468.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706468</id>
-  <name>mES_ai2_s2_cell79</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>79</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell79</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351306</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201043" href="/assets/8201043"/>
-    <asset id="8215097" href="/assets/8215097"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706469.xml b/t/data/samplesheet/st/samples/1706469.xml
deleted file mode 100644
index a02a8c2a..00000000
--- a/t/data/samplesheet/st/samples/1706469.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706469</id>
-  <name>mES_ai2_s2_cell80</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>80</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell80</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351298</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201044" href="/assets/8201044"/>
-    <asset id="8215098" href="/assets/8215098"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706470.xml b/t/data/samplesheet/st/samples/1706470.xml
deleted file mode 100644
index 891f8f6b..00000000
--- a/t/data/samplesheet/st/samples/1706470.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706470</id>
-  <name>mES_ai2_s2_cell81</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>81</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell81</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351300</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201045" href="/assets/8201045"/>
-    <asset id="8215099" href="/assets/8215099"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706471.xml b/t/data/samplesheet/st/samples/1706471.xml
deleted file mode 100644
index ec28a0dd..00000000
--- a/t/data/samplesheet/st/samples/1706471.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706471</id>
-  <name>mES_ai2_s2_cell82</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>82</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell82</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351309</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201046" href="/assets/8201046"/>
-    <asset id="8215100" href="/assets/8215100"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706472.xml b/t/data/samplesheet/st/samples/1706472.xml
deleted file mode 100644
index a46524ba..00000000
--- a/t/data/samplesheet/st/samples/1706472.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706472</id>
-  <name>mES_ai2_s2_cell83</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>83</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell83</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351310</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201047" href="/assets/8201047"/>
-    <asset id="8215101" href="/assets/8215101"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706473.xml b/t/data/samplesheet/st/samples/1706473.xml
deleted file mode 100644
index 035d00c4..00000000
--- a/t/data/samplesheet/st/samples/1706473.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706473</id>
-  <name>mES_ai2_s2_cell84</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>84</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell84</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351311</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201048" href="/assets/8201048"/>
-    <asset id="8215102" href="/assets/8215102"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706474.xml b/t/data/samplesheet/st/samples/1706474.xml
deleted file mode 100644
index f611f933..00000000
--- a/t/data/samplesheet/st/samples/1706474.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706474</id>
-  <name>mES_ai2_s2_cell85</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>85</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell85</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351312</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201049" href="/assets/8201049"/>
-    <asset id="8215103" href="/assets/8215103"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706475.xml b/t/data/samplesheet/st/samples/1706475.xml
deleted file mode 100644
index e3407711..00000000
--- a/t/data/samplesheet/st/samples/1706475.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706475</id>
-  <name>mES_ai2_s2_cell86</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>86</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell86</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351313</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201050" href="/assets/8201050"/>
-    <asset id="8215104" href="/assets/8215104"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706476.xml b/t/data/samplesheet/st/samples/1706476.xml
deleted file mode 100644
index b7536274..00000000
--- a/t/data/samplesheet/st/samples/1706476.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706476</id>
-  <name>mES_ai2_s2_cell87</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>87</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell87</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351314</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201051" href="/assets/8201051"/>
-    <asset id="8215105" href="/assets/8215105"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706477.xml b/t/data/samplesheet/st/samples/1706477.xml
deleted file mode 100644
index f4d903a3..00000000
--- a/t/data/samplesheet/st/samples/1706477.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706477</id>
-  <name>mES_ai2_s2_cell88</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>88</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell88</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351307</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201052" href="/assets/8201052"/>
-    <asset id="8215106" href="/assets/8215106"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706478.xml b/t/data/samplesheet/st/samples/1706478.xml
deleted file mode 100644
index 02aaf2c7..00000000
--- a/t/data/samplesheet/st/samples/1706478.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706478</id>
-  <name>mES_ai2_s2_cell89</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>89</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell89</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351308</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201053" href="/assets/8201053"/>
-    <asset id="8215107" href="/assets/8215107"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706479.xml b/t/data/samplesheet/st/samples/1706479.xml
deleted file mode 100644
index 2d781d47..00000000
--- a/t/data/samplesheet/st/samples/1706479.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706479</id>
-  <name>mES_ai2_s2_cell90</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>90</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell90</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351315</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201054" href="/assets/8201054"/>
-    <asset id="8215108" href="/assets/8215108"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706480.xml b/t/data/samplesheet/st/samples/1706480.xml
deleted file mode 100644
index 1a88a1b1..00000000
--- a/t/data/samplesheet/st/samples/1706480.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706480</id>
-  <name>mES_ai2_s2_cell91</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>91</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell91</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351316</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201055" href="/assets/8201055"/>
-    <asset id="8215109" href="/assets/8215109"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706481.xml b/t/data/samplesheet/st/samples/1706481.xml
deleted file mode 100644
index a2b2cc86..00000000
--- a/t/data/samplesheet/st/samples/1706481.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706481</id>
-  <name>mES_ai2_s2_cell92</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>92</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell92</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351317</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201056" href="/assets/8201056"/>
-    <asset id="8215110" href="/assets/8215110"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706482.xml b/t/data/samplesheet/st/samples/1706482.xml
deleted file mode 100644
index 0edbf6f6..00000000
--- a/t/data/samplesheet/st/samples/1706482.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706482</id>
-  <name>mES_ai2_s2_cell93</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>93</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell93</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351318</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201057" href="/assets/8201057"/>
-    <asset id="8215111" href="/assets/8215111"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706483.xml b/t/data/samplesheet/st/samples/1706483.xml
deleted file mode 100644
index 32e886e5..00000000
--- a/t/data/samplesheet/st/samples/1706483.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706483</id>
-  <name>mES_ai2_s2_cell94</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>94</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell94</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351319</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201058" href="/assets/8201058"/>
-    <asset id="8215112" href="/assets/8215112"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706484.xml b/t/data/samplesheet/st/samples/1706484.xml
deleted file mode 100644
index f71f44b1..00000000
--- a/t/data/samplesheet/st/samples/1706484.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706484</id>
-  <name>mES_ai2_s2_cell95</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>95</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell95</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351320</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201059" href="/assets/8201059"/>
-    <asset id="8215113" href="/assets/8215113"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1706485.xml b/t/data/samplesheet/st/samples/1706485.xml
deleted file mode 100644
index ba70ebc0..00000000
--- a/t/data/samplesheet/st/samples/1706485.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1706485</id>
-  <name>mES_ai2_s2_cell96</name>
-  <study_id>2658</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>mus musculus</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value>129S6/SvEvTac</value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value>C57BL/6Ncr</value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value>96</value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Male</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value></value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Cell Line</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>mES_ai2_s2_cell96</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Mus Musculus</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>10090</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>ERS351321</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value>mRNAseq Nextera library made from G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value>G4 ES cell line from a male blastocyst from a C57BL/6Ncr male x 129S6/SvEvTac female</value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value>embryonic stem cell line</value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value>ESC</value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value>alternative 2i/LIF</value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value>N/A</value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8201060" href="/assets/8201060"/>
-    <asset id="8215114" href="/assets/8215114"/>
-    <asset id="8218390" href="/assets/8218390"/>
-    <asset id="8218391" href="/assets/8218391"/>
-  </assets>
-  <study_id>2658</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/samples/1712041.xml b/t/data/samplesheet/st/samples/1712041.xml
deleted file mode 100644
index 9962fb8e..00000000
--- a/t/data/samplesheet/st/samples/1712041.xml
+++ /dev/null
@@ -1,212 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<sample api_version="0.6">
-  <id>1712041</id>
-  <name>PD14393b_wg</name>
-  <study_id>2239</study_id>
-  <consent_withdrawn>false</consent_withdrawn>
-  <properties>
-    <property>
-      <name>Organism</name>
-      <value>Human</value>
-    </property>
-    <property>
-      <name>Cohort</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Country of origin</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Geographical region</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Ethnicity</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Volume (&#181;l)</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Plate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Mother</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Father</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Replicate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>GC content</name>
-      <value>Neutral</value>
-    </property>
-    <property>
-      <name>Gender</name>
-      <value>Unknown</value>
-    </property>
-    <property>
-      <name>Donor Id</name>
-      <value>PD14393b</value>
-    </property>
-    <property>
-      <name>DNA source</name>
-      <value>Genomic</value>
-    </property>
-    <property>
-      <name>Public Name</name>
-      <value>PD14393b</value>
-    </property>
-    <property>
-      <name>Common Name</name>
-      <value>Homo sapiens</value>
-    </property>
-    <property>
-      <name>Strain</name>
-      <value></value>
-    </property>
-    <property>
-      <name>TAXON ID</name>
-      <value>9606</value>
-    </property>
-    <property>
-      <name>ENA Sample Accession Number</name>
-      <value>EGAN00001173643</value>
-    </property>
-    <property>
-      <name>Sample Description</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample Visibility</name>
-      <value>Hold</value>
-    </property>
-    <property>
-      <name>Sibling</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Is re-submitted?</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample collection</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Date of sample extraction</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample extraction method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample purified</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Purification method</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Concentration determind by</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Sample storage conditions</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Genotype</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Phenotype</name>
-      <value>normal</value>
-    </property>
-    <property>
-      <name>Age</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Developmental Stage</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Cell Type</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease State</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Compound</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Dose</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Immunoprecipitate</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Growth Condition</name>
-      <value></value>
-    </property>
-    <property>
-      <name>RNAi</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Organism Part</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Time Point</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Treatment</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Subject</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Disease</name>
-      <value></value>
-    </property>
-    <property>
-      <name>Reference Genome</name>
-      <value></value>
-    </property>
-  </properties>
-  <assets>
-    <asset id="8252001" href="/assets/8252001"/>
-    <asset id="8269740" href="/assets/8269740"/>
-    <asset id="8356348" href="/assets/8356348"/>
-    <asset id="8381740" href="/assets/8381740"/>
-  </assets>
-  <study_id>2239</study_id>
-</sample>
diff --git a/t/data/samplesheet/st/studies/1697.xml b/t/data/samplesheet/st/studies/1697.xml
deleted file mode 100644
index cfa8a136..00000000
--- a/t/data/samplesheet/st/studies/1697.xml
+++ /dev/null
@@ -1,195 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<study api_version="0.6">
-  <id>1697</id>
-  <name>Haemonchus contortus Ivermectin Resistance</name>
-  <active>true</active>
-  <user_id>248</user_id>
-  <followers>
-    <follower>
-      <login>neh</login>
-      <email>neh@sanger.ac.uk</email>
-      <name>Nancy Holroyd</name>
-      <id>143</id>
-    </follower>
-    <follower>
-      <login>jc17</login>
-      <email>jc17@sanger.ac.uk</email>
-      <name>James Cotton</name>
-      <id>408</id>
-    </follower>
-  </followers>
-  <managers>
-    <manager>
-      <login>neh</login>
-      <email>neh@sanger.ac.uk</email>
-      <name>Nancy Holroyd</name>
-      <id>143</id>
-    </manager>
-  </managers>
-  <owners>
-    <owner>
-      <login>hr1</login>
-      <email>hr1@sanger.ac.uk</email>
-      <name>Helen Beasley</name>
-      <id>285</id>
-    </owner>
-  </owners>
-  <!-- Family has been deprecated -->
-  <family_id></family_id>
-  <created_at>2010-12-07 15:59:16 +0000</created_at>
-  <updated_at>2013-07-09 16:09:58 +0100</updated_at>
-  <descriptors>
-    <descriptor>
-      <name>Study description</name>
-      <value>Two H. contortus ivermectin resistance strains have been backcrossed 4 times against the susceptible genome strain.  Parental strains and backcross strains will be sequenced in order to identify regions of the genome linked to ivermectin resistance-conferring loci.</value>
-    </descriptor>
-    <descriptor>
-      <name>Does this study contain samples that are contaminated with human DNA which must be removed prior to analysis?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>Does this study require the removal of X chromosome and autosome sequence?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>Does this study require y chromosome data to be separated from x and autosomal data before archival?</name>
-      <value>false</value>
-    </descriptor>
-    <descriptor>
-      <name>ENA Project ID</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Abstract</name>
-      <value>Identification of ivermectin resistance-conferring loci by sequencing and comparing the genomes of susceptible parents, resistant parents and backcross strains.</value>
-    </descriptor>
-    <descriptor>
-      <name>Title</name>
-      <value>Haemonchus contortus Ivermectin Resistance</value>
-    </descriptor>
-    <descriptor>
-      <name>ENA Study Accession Number</name>
-      <value>ERP000430</value>
-    </descriptor>
-    <descriptor>
-      <name>Study Visibility</name>
-      <value>Hold</value>
-    </descriptor>
-    <descriptor>
-      <name>Do any of the samples in this study contain human DNA?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>Are all the samples to be used in this study commercially available, unlinked anonymised cell-lines?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>Study name abbreviation</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>What is the data release strategy for this study?</name>
-      <value>open</value>
-    </descriptor>
-    <descriptor>
-      <name>Will you be using WTSI's standard access agreement?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>How is the data release to be timed?</name>
-      <value>standard</value>
-    </descriptor>
-    <descriptor>
-      <name>Reason for delaying release</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Delay for</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Alignments in BAM</name>
-      <value>false</value>
-    </descriptor>
-    <descriptor>
-      <name>Please explain the reason for delaying release</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Comment regarding data release timing and approval</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Policy Url</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Policy title</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>EGA DAC Accession Number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>EGA Policy Accession Number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>ArrayExpress Accession Number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Has the delay period been approved by the data sharing committee for this project?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>What is the reason for preventing data release?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Has this been approved?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Comment regarding prevention of data release and approval</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Data access group</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>SNP study ID</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>SNP parent study ID</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Number of gigabases per sample (minimum 0.15)</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>HMDMC approval number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Study Type</name>
-      <value>Whole Genome Sequencing</value>
-    </descriptor>
-    <descriptor>
-      <name>What sort of study is this?</name>
-      <value>genomic sequencing</value>
-    </descriptor>
-    <descriptor>
-      <name>Reference Genome</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Faculty Sponsor</name>
-      <value>Matthew Berriman</value>
-    </descriptor>
-  </descriptors>
-</study>
diff --git a/t/data/samplesheet/st/studies/198.xml b/t/data/samplesheet/st/studies/198.xml
deleted file mode 100644
index e2ad4aad..00000000
--- a/t/data/samplesheet/st/studies/198.xml
+++ /dev/null
@@ -1,181 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<study api_version="0.6">
-  <id>198</id>
-  <name>Illumina Controls</name>
-  <active>true</active>
-  <user_id>83</user_id>
-  <managers>
-    <manager>
-      <login>hps</login>
-      <email>hps@sanger.ac.uk</email>
-      <name>Harold Swerdlow</name>
-      <id>83</id>
-    </manager>
-  </managers>
-  <owners>
-    <owner>
-      <login>hps</login>
-      <email>hps@sanger.ac.uk</email>
-      <name>Harold Swerdlow</name>
-      <id>83</id>
-    </owner>
-  </owners>
-  <!-- Family has been deprecated -->
-  <family_id></family_id>
-  <created_at>2008-11-13 13:27:48 +0000</created_at>
-  <updated_at>2013-08-12 14:14:01 +0100</updated_at>
-  <descriptors>
-    <descriptor>
-      <name>Study description</name>
-      <value>None</value>
-    </descriptor>
-    <descriptor>
-      <name>Does this study contain samples that are contaminated with human DNA which must be removed prior to analysis?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>Does this study require the removal of X chromosome and autosome sequence?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>Does this study require y chromosome data to be separated from x and autosomal data before archival?</name>
-      <value>false</value>
-    </descriptor>
-    <descriptor>
-      <name>ENA Project ID</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Abstract</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Title</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>ENA Study Accession Number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Study Visibility</name>
-      <value>Hold</value>
-    </descriptor>
-    <descriptor>
-      <name>Do any of the samples in this study contain human DNA?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>Are all the samples to be used in this study commercially available, unlinked anonymised cell-lines?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>Study name abbreviation</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>What is the data release strategy for this study?</name>
-      <value>open</value>
-    </descriptor>
-    <descriptor>
-      <name>Will you be using WTSI's standard access agreement?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>How is the data release to be timed?</name>
-      <value>standard</value>
-    </descriptor>
-    <descriptor>
-      <name>Reason for delaying release</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Delay for</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Alignments in BAM</name>
-      <value>true</value>
-    </descriptor>
-    <descriptor>
-      <name>Please explain the reason for delaying release</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Comment regarding data release timing and approval</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Policy Url</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Policy title</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>EGA DAC Accession Number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>EGA Policy Accession Number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>ArrayExpress Accession Number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Has the delay period been approved by the data sharing committee for this project?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>What is the reason for preventing data release?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Has this been approved?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Comment regarding prevention of data release and approval</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Data access group</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>SNP study ID</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>SNP parent study ID</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Number of gigabases per sample (minimum 0.15)</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>HMDMC approval number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Study Type</name>
-      <value>Resequencing</value>
-    </descriptor>
-    <descriptor>
-      <name>What sort of study is this?</name>
-      <value>genotyping or cytogenetics</value>
-    </descriptor>
-    <descriptor>
-      <name>Reference Genome</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Faculty Sponsor</name>
-      <value>None</value>
-    </descriptor>
-  </descriptors>
-</study>
diff --git a/t/data/samplesheet/st/studies/1980.xml b/t/data/samplesheet/st/studies/1980.xml
deleted file mode 100644
index 4a77b318..00000000
--- a/t/data/samplesheet/st/studies/1980.xml
+++ /dev/null
@@ -1,161 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<study api_version="0.6">
-  <id>1980</id>
-  <name>Mate Pair R&amp;D</name>
-  <active>true</active>
-  <user_id>519</user_id>
-  <managers>
-    <manager>
-      <login>nh4</login>
-      <email>nh4@sanger.ac.uk</email>
-      <name>Naomi Park</name>
-      <id>519</id>
-    </manager>
-  </managers>
-  <owners>
-    <owner>
-      <login>nh4</login>
-      <email>nh4@sanger.ac.uk</email>
-      <name>Naomi Park</name>
-      <id>519</id>
-    </owner>
-  </owners>
-  <!-- Family has been deprecated -->
-  <family_id></family_id>
-  <created_at>2011-09-23 10:50:04 +0100</created_at>
-  <updated_at>2011-09-23 11:54:53 +0100</updated_at>
-  <descriptors>
-    <descriptor>
-      <name>Comment regarding prevention of data release and approval</name>
-      <value>R&amp;D</value>
-    </descriptor>
-    <descriptor>
-      <name>Alignments in BAM</name>
-      <value>true</value>
-    </descriptor>
-    <descriptor>
-      <name>Abstract</name>
-      <value>To establish a robust Mate Pair library preparation protocol</value>
-    </descriptor>
-    <descriptor>
-      <name>Study Visibility</name>
-      <value>Hold</value>
-    </descriptor>
-    <descriptor>
-      <name>SNP parent study ID</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Has the delay period been approved by the data sharing committee for this project?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>ENA Study Accession Number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Number of gigabases per sample (minimum 0.15)</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Study description</name>
-      <value>R&amp;D</value>
-    </descriptor>
-    <descriptor>
-      <name>Will you be using WTSI's standard access agreement?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Comment regarding data release timing and approval</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Please explain the reason for delaying release (e.g., pre-existing collaborative agreement)</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>What is the data release strategy for this study?</name>
-      <value>not applicable</value>
-    </descriptor>
-    <descriptor>
-      <name>EGA DAC Accession Number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>How is the data release to be timed?</name>
-      <value>never</value>
-    </descriptor>
-    <descriptor>
-      <name>Study name abbreviation</name>
-      <value>MPRandD</value>
-    </descriptor>
-    <descriptor>
-      <name>Has this been approved?</name>
-      <value>Yes</value>
-    </descriptor>
-    <descriptor>
-      <name>SNP study ID</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Delay for</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>What is the reason for preventing data release?</name>
-      <value>data validity</value>
-    </descriptor>
-    <descriptor>
-      <name>Reason for delaying release</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Do any of the samples in this study contain human DNA?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>ENA Project ID</name>
-      <value>0</value>
-    </descriptor>
-    <descriptor>
-      <name>ArrayExpress Accession Number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>EGA Policy Accession Number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Policy</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Are all the samples to be used in this study commercially available, unlinked anonymised cell-lines?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>Title</name>
-      <value>Mate Pair R&amp;D</value>
-    </descriptor>
-    <descriptor>
-      <name>Does this study contain samples that are contaminated with human DNA which must be removed prior to analysis?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>Reference Genome</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>What sort of study is this?</name>
-      <value>genomic sequencing</value>
-    </descriptor>
-    <descriptor>
-      <name>Faculty Sponsor</name>
-      <value>Harold Swerdlow</value>
-    </descriptor>
-    <descriptor>
-      <name>Study Type</name>
-      <value>Whole Genome Sequencing</value>
-    </descriptor>
-  </descriptors>
-</study>
diff --git a/t/data/samplesheet/st/studies/2239.xml b/t/data/samplesheet/st/studies/2239.xml
deleted file mode 100644
index 7332de15..00000000
--- a/t/data/samplesheet/st/studies/2239.xml
+++ /dev/null
@@ -1,221 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<study api_version="0.6">
-  <id>2239</id>
-  <name>MPN Whole Genomes</name>
-  <active>true</active>
-  <user_id>145</user_id>
-  <followers>
-    <follower>
-      <login>som</login>
-      <email>som@sanger.ac.uk</email>
-      <name>Sarah OMeara</name>
-      <id>585</id>
-    </follower>
-    <follower>
-      <login>las</login>
-      <email>las@sanger.ac.uk</email>
-      <name>Lucy Stebbings</name>
-      <id>21</id>
-    </follower>
-    <follower>
-      <login>je6</login>
-      <email>je6@sanger.ac.uk</email>
-      <name>Jyoti Evans</name>
-      <id>658</id>
-    </follower>
-    <follower>
-      <login>cdt</login>
-      <email>cdt@sanger.ac.uk</email>
-      <name>Calli Latimer</name>
-      <id>175</id>
-    </follower>
-  </followers>
-  <managers>
-    <manager>
-      <login>sm2</login>
-      <email>sm2@sanger.ac.uk</email>
-      <name>Stuart McLaren</name>
-      <id>145</id>
-    </manager>
-    <manager>
-      <login>cdt</login>
-      <email>cdt@sanger.ac.uk</email>
-      <name>Calli Latimer</name>
-      <id>175</id>
-    </manager>
-    <manager>
-      <login>lm5</login>
-      <email>lm5@sanger.ac.uk</email>
-      <name>Laura Mudie</name>
-      <id>587</id>
-    </manager>
-    <manager>
-      <login>cs4</login>
-      <email>cs4@sanger.ac.uk</email>
-      <name>Claire Hardy</name>
-      <id>390</id>
-    </manager>
-  </managers>
-  <owners>
-    <owner>
-      <login>sm2</login>
-      <email>sm2@sanger.ac.uk</email>
-      <name>Stuart McLaren</name>
-      <id>145</id>
-    </owner>
-  </owners>
-  <!-- Family has been deprecated -->
-  <family_id></family_id>
-  <created_at>2012-06-08 11:15:39 +0100</created_at>
-  <updated_at>2012-11-26 14:20:33 +0000</updated_at>
-  <descriptors>
-    <descriptor>
-      <name>Study description</name>
-      <value>Wholegenome libraries will be prepared from at least two serial samples reflecting different stages of disease progression and matched constitutional DNA for 30 Myeloproliferative Disease samples. Five lanes of Illumina HiSeq sequencing will be performed on each of the tumour samples and four lanes for each of the constitutional DNA. Sequencing data will mapped to build 37 of the human reference genome and analysis will be performed to characterize the spectrum of somatic variation present in these samples including single base pair mutations, insertions, deletions as well as larger structural variants and genomic rearrangements. </value>
-    </descriptor>
-    <descriptor>
-      <name>Does this study contain samples that are contaminated with human DNA which must be removed prior to analysis?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>Does this study require the removal of X chromosome and autosome sequence?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>Does this study require y chromosome data to be separated from x and autosomal data before archival?</name>
-      <value>false</value>
-    </descriptor>
-    <descriptor>
-      <name>ENA Project ID</name>
-      <value>PRJEB12</value>
-    </descriptor>
-    <descriptor>
-      <name>Abstract</name>
-      <value>Cancer is driven by mutation and is typically highly heterogeneous with each tumour represented by multiple subclonal compartments each with its unique spectrum of mutation clusters. Using whole genome library preparation and massively parallel sequencing technology, we aim to the entire genome of 30 pairs of Myeloproliferative disease samples. Bespoke algorithms are being developed to identify the somatically acquired point mutations, insertions and deletions in these samples. This project will give unprecedented insights into mutational processes, cellular repair pathways and gene networks associated with Myeloproliferative disease development and disease progression. </value>
-    </descriptor>
-    <descriptor>
-      <name>Title</name>
-      <value>Myeloproliferative Disease Whole Genomes</value>
-    </descriptor>
-    <descriptor>
-      <name>ENA Study Accession Number</name>
-      <value>EGAS00001000290</value>
-    </descriptor>
-    <descriptor>
-      <name>Study Visibility</name>
-      <value>Hold</value>
-    </descriptor>
-    <descriptor>
-      <name>Do any of the samples in this study contain human DNA?</name>
-      <value>Yes</value>
-    </descriptor>
-    <descriptor>
-      <name>Are all the samples to be used in this study commercially available, unlinked anonymised cell-lines?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>Study name abbreviation</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>What is the data release strategy for this study?</name>
-      <value>managed</value>
-    </descriptor>
-    <descriptor>
-      <name>Will you be using WTSI's standard access agreement?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>How is the data release to be timed?</name>
-      <value>standard</value>
-    </descriptor>
-    <descriptor>
-      <name>Reason for delaying release</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Delay for</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Alignments in BAM</name>
-      <value>true</value>
-    </descriptor>
-    <descriptor>
-      <name>Please explain the reason for delaying release</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Comment regarding data release timing and approval</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Policy Url</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Policy title</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>EGA DAC Accession Number</name>
-      <value>EGAC00001000010</value>
-    </descriptor>
-    <descriptor>
-      <name>EGA Policy Accession Number</name>
-      <value>EGAP00001000037</value>
-    </descriptor>
-    <descriptor>
-      <name>ArrayExpress Accession Number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Has the delay period been approved by the data sharing committee for this project?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>What is the reason for preventing data release?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Has this been approved?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Comment regarding prevention of data release and approval</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>SNP study ID</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>SNP parent study ID</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Number of gigabases per sample (minimum 0.15)</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>HMDMC approval number</name>
-      <value>10/050</value>
-    </descriptor>
-    <descriptor>
-      <name>Study Type</name>
-      <value>Cancer Genomics</value>
-    </descriptor>
-    <descriptor>
-      <name>What sort of study is this?</name>
-      <value>genomic sequencing</value>
-    </descriptor>
-    <descriptor>
-      <name>Reference Genome</name>
-      <value>Homo_sapiens (CGP_GRCh37.NCBI.allchr_MT)</value>
-    </descriptor>
-    <descriptor>
-      <name>Faculty Sponsor</name>
-      <value>Peter Campbell</value>
-    </descriptor>
-  </descriptors>
-</study>
diff --git a/t/data/samplesheet/st/studies/2501.xml b/t/data/samplesheet/st/studies/2501.xml
deleted file mode 100644
index 8662a411..00000000
--- a/t/data/samplesheet/st/studies/2501.xml
+++ /dev/null
@@ -1,187 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<study api_version="0.6">
-  <id>2501</id>
-  <name>Mouse model to quantify genotype-epigenotype variations_RNA</name>
-  <active>true</active>
-  <user_id>191</user_id>
-  <managers>
-    <manager>
-      <login>ncb</login>
-      <email>ncb@sanger.ac.uk</email>
-      <name>Nathalie C Smerdon</name>
-      <id>191</id>
-    </manager>
-  </managers>
-  <owners>
-    <owner>
-      <login>ms27</login>
-      <email>ms27@sanger.ac.uk</email>
-      <name>Marcela Sjoberg</name>
-      <id>711</id>
-    </owner>
-  </owners>
-  <!-- Family has been deprecated -->
-  <family_id></family_id>
-  <created_at>2013-01-16 13:54:59 +0000</created_at>
-  <updated_at>2013-01-30 11:22:33 +0000</updated_at>
-  <descriptors>
-    <descriptor>
-      <name>Study description</name>
-      <value>In order to examine the impact of genetic variation on epigenetic marking and control of gene expression, this study has been initiated using two inbred strains of mice, C57BL/6J and CAST/Eij which genomes indicate substantial structural and nucleotide variation.  Stocks of adult C57BL/6J and CAST/Eij mice as well as CAST/BL6 and BL6/CAST reciprocal hybrids are employed for isolation of pure and synchronous populations of B and T-lymphocytes. RNA-Seq expression analysis will be performed in total RNA extracted from B-lymphocytes isolated from males and females of both strains and hybrids.
- 
-This data is part of a pre-publication release. For information on the proper use of pre-publication data shared by the Wellcome Trust Sanger Institute (including details of any publication moratoria), please see http://www.sanger.ac.uk/datasharing/
-</value>
-    </descriptor>
-    <descriptor>
-      <name>Does this study contain samples that are contaminated with human DNA which must be removed prior to analysis?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>Does this study require the removal of X chromosome and autosome sequence?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>Does this study require y chromosome data to be separated from x and autosomal data before archival?</name>
-      <value>false</value>
-    </descriptor>
-    <descriptor>
-      <name>ENA Project ID</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Abstract</name>
-      <value>Epigenetic mechanisms including non-coding RNAs are involved in the acquisition and maintenance of specific gene expression programmes during development and differentiation. Examining the extent to which DNA structural variation correlates with epigenomic and transcriptional changes is important to identify the basis of disease development, quantitative variation, adaptation and evolution. With the aim of identifying genotype-mediated epigenotype variations that account for transcriptional changes, we have used two inbred strains of mice, C57BL/6J and CAST/Eij as a model.
-Pure synchronous populations of B and T-lymphocytes were isolated from males and females of both strains and reciprocal hybrids and total RNA was extracted for each sample in duplicates. Total RNA expression analysis will be performed: (1) to inspect in B lymphocytes of each strain the transcriptional programme that maintain the cellular phenotype; (2) to inspect in B lymphocytes of each strain the transcriptional programme that supress proliferation and apoptosis; (3) to look at the differential expression of various species of RNA (coding and non-coding) as a consequence of genomic variation; (3) to determine parental origin and cis/trans strain-specific effects based on the reciprocal hybrids RNA-Seq analysis.
-
-</value>
-    </descriptor>
-    <descriptor>
-      <name>Title</name>
-      <value>Mouse model to quantify genotype-epigenotype variations     </value>
-    </descriptor>
-    <descriptor>
-      <name>ENA Study Accession Number</name>
-      <value>ERP002223</value>
-    </descriptor>
-    <descriptor>
-      <name>Study Visibility</name>
-      <value>Public</value>
-    </descriptor>
-    <descriptor>
-      <name>Do any of the samples in this study contain human DNA?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>Are all the samples to be used in this study commercially available, unlinked anonymised cell-lines?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>Study name abbreviation</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>What is the data release strategy for this study?</name>
-      <value>open</value>
-    </descriptor>
-    <descriptor>
-      <name>Will you be using WTSI's standard access agreement?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>How is the data release to be timed?</name>
-      <value>delayed</value>
-    </descriptor>
-    <descriptor>
-      <name>Reason for delaying release</name>
-      <value>assay of no other use</value>
-    </descriptor>
-    <descriptor>
-      <name>Delay for</name>
-      <value>12 months</value>
-    </descriptor>
-    <descriptor>
-      <name>Alignments in BAM</name>
-      <value>true</value>
-    </descriptor>
-    <descriptor>
-      <name>Please explain the reason for delaying release</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Comment regarding data release timing and approval</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Policy Url</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Policy title</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>EGA DAC Accession Number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>EGA Policy Accession Number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>ArrayExpress Accession Number</name>
-      <value>E-ERAD-155</value>
-    </descriptor>
-    <descriptor>
-      <name>Has the delay period been approved by the data sharing committee for this project?</name>
-      <value>Yes</value>
-    </descriptor>
-    <descriptor>
-      <name>What is the reason for preventing data release?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Has this been approved?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Comment regarding prevention of data release and approval</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Data access group</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>SNP study ID</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>SNP parent study ID</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Number of gigabases per sample (minimum 0.15)</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>HMDMC approval number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Study Type</name>
-      <value>Transcriptome Analysis</value>
-    </descriptor>
-    <descriptor>
-      <name>What sort of study is this?</name>
-      <value>transcriptomics</value>
-    </descriptor>
-    <descriptor>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (GRCm38)</value>
-    </descriptor>
-    <descriptor>
-      <name>Faculty Sponsor</name>
-      <value>David Adams</value>
-    </descriptor>
-  </descriptors>
-</study>
diff --git a/t/data/samplesheet/st/studies/2658.xml b/t/data/samplesheet/st/studies/2658.xml
deleted file mode 100644
index 78e34ddf..00000000
--- a/t/data/samplesheet/st/studies/2658.xml
+++ /dev/null
@@ -1,185 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<study api_version="0.6">
-  <id>2658</id>
-  <name>Single-cell analysis of the transcriptomic heterogeneity of ground state pluripotency</name>
-  <active>true</active>
-  <user_id>191</user_id>
-  <managers>
-    <manager>
-      <login>ncb</login>
-      <email>ncb@sanger.ac.uk</email>
-      <name>Nathalie C Smerdon</name>
-      <id>191</id>
-    </manager>
-  </managers>
-  <owners>
-    <owner>
-      <login>ola</login>
-      <email>ola@ebi.ac.uk</email>
-      <name>Aleksandra Kolodziejczyk</name>
-      <id>762</id>
-    </owner>
-  </owners>
-  <!-- Family has been deprecated -->
-  <family_id></family_id>
-  <created_at>2013-06-06 21:47:20 +0100</created_at>
-  <updated_at>2013-06-06 21:47:32 +0100</updated_at>
-  <descriptors>
-    <descriptor>
-      <name>Study description</name>
-      <value>This study aims to investigate the transcriptomic heterogeneity of mouse embryonic stem cells (mES cells) in different culturing conditions with single-cell mRNA-seq technology. Previous studies have reported heterogeneous and differential allelic expression of specific pluripotency genes, e.g. Nanog, in mES cells in different culturing conditions. The fluctuation of gene expression has been linked to drift of pluripotent state. In this study, we will dissect the transcriptome of mouse ES cells culturing in conventiaonal serum/LIF and 2i/LIF conditions at the single-cell level. The usage of a hybrid mouse ES cell line in this study provides additional insight into differential allelic expression in these two culturing conditions. The data generated in this study will shed light on the regulation of pluripotency network.
- 
-</value>
-    </descriptor>
-    <descriptor>
-      <name>Does this study contain samples that are contaminated with human DNA which must be removed prior to analysis?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>Does this study require the removal of X chromosome and autosome sequence?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>Does this study require y chromosome data to be separated from x and autosomal data before archival?</name>
-      <value>false</value>
-    </descriptor>
-    <descriptor>
-      <name>ENA Project ID</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Abstract</name>
-      <value>This study aims to investigate the transcriptomic heterogeneity of mouse embryonic stem cells (mES cells) in different culturing conditions with single-cell mRNA-seq technology. Previous studies have reported heterogeneous and differential allelic expression of specific pluripotency genes, e.g. Nanog, in mES cells in different culturing conditions. The fluctuation of gene expression has been linked to drift of pluripotent state. In this study, we will dissect the transcriptome of mouse ES cells culturing in conventiaonal serum/LIF and 2i/LIF conditions at the single-cell level. The usage of a hybrid mouse ES cell line in this study provides additional insight into differential allelic expression in these two culturing conditions. The data generated in this study will shed light on the regulation of pluripotency network.
- 
-</value>
-    </descriptor>
-    <descriptor>
-      <name>Title</name>
-      <value>Single-cell analysis of the transcriptomic heterogeneity of ground state pluripotency     </value>
-    </descriptor>
-    <descriptor>
-      <name>ENA Study Accession Number</name>
-      <value>ERP003293</value>
-    </descriptor>
-    <descriptor>
-      <name>Study Visibility</name>
-      <value>Hold</value>
-    </descriptor>
-    <descriptor>
-      <name>Do any of the samples in this study contain human DNA?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>Are all the samples to be used in this study commercially available, unlinked anonymised cell-lines?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>Study name abbreviation</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>What is the data release strategy for this study?</name>
-      <value>open</value>
-    </descriptor>
-    <descriptor>
-      <name>Will you be using WTSI's standard access agreement?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>How is the data release to be timed?</name>
-      <value>standard</value>
-    </descriptor>
-    <descriptor>
-      <name>Reason for delaying release</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Delay for</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Alignments in BAM</name>
-      <value>true</value>
-    </descriptor>
-    <descriptor>
-      <name>Please explain the reason for delaying release</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Comment regarding data release timing and approval</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Policy Url</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Policy title</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>EGA DAC Accession Number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>EGA Policy Accession Number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>ArrayExpress Accession Number</name>
-      <value>E-ERAD-186</value>
-    </descriptor>
-    <descriptor>
-      <name>Has the delay period been approved by the data sharing committee for this project?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>What is the reason for preventing data release?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Has this been approved?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Comment regarding prevention of data release and approval</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Data access group</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>SNP study ID</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>SNP parent study ID</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Number of gigabases per sample (minimum 0.15)</name>
-      <value>1.0</value>
-    </descriptor>
-    <descriptor>
-      <name>HMDMC approval number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Study Type</name>
-      <value>Transcriptome Analysis</value>
-    </descriptor>
-    <descriptor>
-      <name>What sort of study is this?</name>
-      <value>transcriptomics</value>
-    </descriptor>
-    <descriptor>
-      <name>Reference Genome</name>
-      <value>Mus_musculus (NCBIm37)</value>
-    </descriptor>
-    <descriptor>
-      <name>Faculty Sponsor</name>
-      <value>Sarah Teichmann</value>
-    </descriptor>
-  </descriptors>
-</study>
diff --git a/t/data/samplesheet/st/studies/521.xml b/t/data/samplesheet/st/studies/521.xml
deleted file mode 100644
index 50715a37..00000000
--- a/t/data/samplesheet/st/studies/521.xml
+++ /dev/null
@@ -1,171 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<study api_version="0.6">
-  <id>521</id>
-  <name>Strongyloides ratti transcriptomics</name>
-  <active>true</active>
-  <user_id>143</user_id>
-  <managers>
-    <manager>
-      <login>dg8</login>
-      <email>dg8@sanger.ac.uk</email>
-      <name>Daria Gordon</name>
-      <id>403</id>
-    </manager>
-    <manager>
-      <login>neh</login>
-      <email>neh@sanger.ac.uk</email>
-      <name>Nancy Holroyd</name>
-      <id>143</id>
-    </manager>
-  </managers>
-  <owners>
-    <owner>
-      <login>neh</login>
-      <email>neh@sanger.ac.uk</email>
-      <name>Nancy Holroyd</name>
-      <id>143</id>
-    </owner>
-  </owners>
-  <!-- Family has been deprecated -->
-  <family_id></family_id>
-  <created_at>2010-04-06 17:05:29 +0100</created_at>
-  <updated_at>2010-09-17 13:53:35 +0100</updated_at>
-  <descriptors>
-    <descriptor>
-      <name>EGA Policy Accession Number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Abstract</name>
-      <value>Transcriptome sequencing of Strongyloides ratti</value>
-    </descriptor>
-    <descriptor>
-      <name>Number of gigabases per sample (minimum 0.15)</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Comment regarding prevention of data release and approval</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>What is the reason for preventing data release?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Policy</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Alignments in BAM</name>
-      <value>true</value>
-    </descriptor>
-    <descriptor>
-      <name>Has this been approved?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Has the delay period been approved by the data sharing committee for this project?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>EGA DAC Accession Number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Delay for</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Study description</name>
-      <value>Strongyloides ratti is a common gastro-intestinal parasite of the rat. The adult parasites are female only, about 2mm long and live in the mucosa of the small intestine. These parasites produce eggs that pass out of the host in its faeces. In the environment infective larval stages develop either directly or after a facultative sexual free-living adult generation. Infective larvae infect hosts by skin penetration.
-
-S. ratti is the laboratory analogue of the parasite of humans, S. stercoralis. S. stercoralis is a wide-spread parasite of humans, occurring principally in the tropics and sub-tropics: some 100-200 million people are infected worldwide. Infection of immunosuppressed individuals can result in disseminated strongyloidiasis, in which worms occur throughout the body. This can be fatal unless anti-Strongyloides therapy is given. Other species of Strongyloides parasitise a wide range of vertebrates.  
-
-As part of the Strongyloides ratti genome project we are profiling the transcriptome of the parasite across its life cycle using RNA-Seq.. This data is part of a pre-publication release. For information on the proper use of pre-publication data shared by the Wellcome Trust Sanger Institute (including details of any publication moratoria), please see http://www.sanger.ac.uk/datasharing/</value>
-    </descriptor>
-    <descriptor>
-      <name>How is the data release to be timed?</name>
-      <value>standard</value>
-    </descriptor>
-    <descriptor>
-      <name>Study name abbreviation</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>ENA Study Accession Number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Title</name>
-      <value>Transcriptome sequencing of Strongyloides ratti</value>
-    </descriptor>
-    <descriptor>
-      <name>SNP study ID</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>What is the data release strategy for this study?</name>
-      <value>open</value>
-    </descriptor>
-    <descriptor>
-      <name>Are all the samples to be used in this study commercially available, unlinked anonymised cell-lines?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>Do any of the samples in this study contain human DNA?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>Study Visibility</name>
-      <value>hold</value>
-    </descriptor>
-    <descriptor>
-      <name>Does this study contain samples that are contaminated with human DNA which must be removed prior to analysis?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>ArrayExpress Accession Number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Reason for delaying release</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>ENA Project ID</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>SNP parent study ID</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Please explain the reason for delaying release (e.g., pre-existing collaborative agreement)</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Comment regarding data release timing and approval</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Will you be using WTSI's standard access agreement?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Study Type</name>
-      <value>Transcriptome Analysis</value>
-    </descriptor>
-    <descriptor>
-      <name>What sort of study is this?</name>
-      <value>transcriptomics</value>
-    </descriptor>
-    <descriptor>
-      <name>Faculty Sponsor</name>
-      <value>Matt Berriman</value>
-    </descriptor>
-    <descriptor>
-      <name>Reference Genome</name>
-      <value></value>
-    </descriptor>
-  </descriptors>
-</study>
diff --git a/t/data/samplesheet/st/studies/700.xml b/t/data/samplesheet/st/studies/700.xml
deleted file mode 100644
index 717cba9c..00000000
--- a/t/data/samplesheet/st/studies/700.xml
+++ /dev/null
@@ -1,175 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<study api_version="0.6">
-  <id>700</id>
-  <name>Kapa HiFi test</name>
-  <active>true</active>
-  <user_id>7</user_id>
-  <managers>
-    <manager>
-      <login>mq1</login>
-      <email>mq1@sanger.ac.uk</email>
-      <name>Michael Quail</name>
-      <id>7</id>
-    </manager>
-    <manager>
-      <login>ems</login>
-      <email>ems@sanger.ac.uk</email>
-      <name>Elizabeth Sheridan</name>
-      <id>72</id>
-    </manager>
-  </managers>
-  <owners>
-    <owner>
-      <login>mq1</login>
-      <email>mq1@sanger.ac.uk</email>
-      <name>Michael Quail</name>
-      <id>7</id>
-    </owner>
-  </owners>
-  <!-- Family has been deprecated -->
-  <family_id></family_id>
-  <created_at>2010-10-07 16:11:00 +0100</created_at>
-  <updated_at>2010-10-21 11:03:52 +0100</updated_at>
-  <descriptors>
-    <descriptor>
-      <name>Number of gigabases per sample (minimum 0.15)</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Has this been approved?</name>
-      <value>Yes</value>
-    </descriptor>
-    <descriptor>
-      <name>Are all the samples to be used in this study commercially available, unlinked anonymised cell-lines?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>ENA Study Accession Number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Does this study contain samples that are contaminated with human DNA which must be removed prior to analysis?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>ArrayExpress Accession Number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Title</name>
-      <value>hifi test</value>
-    </descriptor>
-    <descriptor>
-      <name>ENA Project ID</name>
-      <value>0</value>
-    </descriptor>
-    <descriptor>
-      <name>What is the data release strategy for this study?</name>
-      <value>not applicable</value>
-    </descriptor>
-    <descriptor>
-      <name>Study Visibility</name>
-      <value>Hold</value>
-    </descriptor>
-    <descriptor>
-      <name>EGA Policy Accession Number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Study name abbreviation</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>SNP study ID</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>What is the reason for preventing data release?</name>
-      <value>data validity</value>
-    </descriptor>
-    <descriptor>
-      <name>Has the delay period been approved by the data sharing committee for this project?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Do any of the samples in this study contain human DNA?</name>
-      <value>No</value>
-    </descriptor>
-    <descriptor>
-      <name>Abstract</name>
-      <value>Purpose of experiment					
-					
-- To evaluate kapa hifi qPCR kit					
-- To evaluate kapa hifi and "robust" enzymes as alternatives to phusion. How do libraries prepared with these enzymes compare in terms of fidelity and coverage? 					
-- To generate data on test genomes that can be used in Pacbio data analysis 					
-</value>
-    </descriptor>
-    <descriptor>
-      <name>Study description</name>
-      <value>- I have agreed to alpha test the kapa hifi qPCR kit. This allows prep PCR to be followed in real time and stopped when sufficient product has accumulated so preventing overcycling and allowing user to interrogate prep PCR step. 					
-- If we are to use this enzyme we need to know that it is at least as good as Phusion in terms of fidelity and coverage.					
-- In theory kapa hifi has higher fidelity than phusion.					
-</value>
-    </descriptor>
-    <descriptor>
-      <name>Alignments in BAM</name>
-      <value>true</value>
-    </descriptor>
-    <descriptor>
-      <name>Will you be using WTSI's standard access agreement?</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Comment regarding prevention of data release and approval</name>
-      <value>R+D Project</value>
-    </descriptor>
-    <descriptor>
-      <name>EGA DAC Accession Number</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Policy</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Please explain the reason for delaying release (e.g., pre-existing collaborative agreement)</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Reason for delaying release</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>SNP parent study ID</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Comment regarding data release timing and approval</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>Delay for</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>How is the data release to be timed?</name>
-      <value>never</value>
-    </descriptor>
-    <descriptor>
-      <name>Reference Genome</name>
-      <value></value>
-    </descriptor>
-    <descriptor>
-      <name>What sort of study is this?</name>
-      <value>genomic sequencing</value>
-    </descriptor>
-    <descriptor>
-      <name>Faculty Sponsor</name>
-      <value>Harold Swerdlow</value>
-    </descriptor>
-    <descriptor>
-      <name>Study Type</name>
-      <value>Whole Genome Sequencing</value>
-    </descriptor>
-  </descriptors>
-</study>