anchor.diff:                  </s:else>
               </td>
               <td>
  -                <s:if test="%{imageSourceConfiguration.imageAnnotationConfiguration != null}">
  +                <s:if test="%{imageAnnotationConfiguration != null}">
                       <s:url id="editImagingSource" action="editImagingSource">
                           <s:param name="studyConfiguration.id" value="studyConfiguration.id" />
  -                        <s:param name="imageSourceConfiguration.id" value="imageSourceConfiguration.id" />
  +                        <s:param name="imageSourceConfiguration.id" value="id" />
                       </s:url> 
                       <s:a href="%{editImagingSource}">Edit</s:a> 
  -                    <s:if test="%{imageSourceConfiguration.imageAnnotationConfiguration.loadable}" > |
  +                    <s:if test="%{imageAnnotationConfiguration.loadable}" > |
                           <s:url id="loadImagingSource" action="loadImagingSource">
                               <s:param name="studyConfiguration.id" value="studyConfiguration.id" />
                               <s:param name="imageSourceConfiguration.id" value="id" />
                           </s:url> 
                           <s:a href="%{loadImagingSource}">
  -                            <s:if test="%{!imageSourceConfiguration.imageAnnotationConfiguration.currentlyLoaded}">
  +                            <s:if test="%{!imageAnnotationConfiguration.currentlyLoaded}">
                                   Load All Imaging
                               </s:if>
                               <s:else>
  
positive.code:                     <s:param name="genomicSource.id" value="id" />
                  </s:url> 
                  <s:a href="%{editGenomicSource}">Edit</s:a> | 
                  <s:url id="editSampleMapping" action="editSampleMapping">
                      <s:param name="studyConfiguration.id" value="studyConfiguration.id" />
                      <s:param name="genomicSource.id" value="id" />
                  </s:url>
                  <s:a href="%{editSampleMapping}">Map Samples</s:a> |
                  <s:url id="editCopyNumberDataConfiguration" action="editCopyNumberDataConfiguration">
                      <s:param name="studyConfiguration.id" value="studyConfiguration.id" />
                      <s:param name="genomicSource.id" value="id" />
                  </s:url> 
                  <s:a href="%{editCopyNumberDataConfiguration}">Configure Copy Number Data</s:a> | 
                  <s:url id="deleteGenomicSource" action="deleteGenomicSource">
                      <s:param name="studyConfiguration.id" value="studyConfiguration.id" />
                      <s:param name="genomicSource.id" value="id" />
                      <s:param name="action" value="edit" />
                  </s:url> 
                  <s:a href="%{deleteGenomicSource}" onclick="return confirm('This genomic source (and all associated Samples) will be permanently deleted.')">Delete</s:a>
              </td>
          </tr>
          </s:iterator>
  
negative.code:             <td><s:property value="collectionName" /></td>
              <td>
                  <i>Annotation:</i> 
                  <s:if test="%{imageAnnotationConfiguration != null}">
                      <s:property value="imageAnnotationConfiguration.annotationFile.file.name" />
                  </s:if>
                  <s:else>
                      None
  