anchor.diff:          </tr>
           </s:iterator>
           <tr>
  -            <th colspan="3">
  +            <th colspan="4">
                   <s:form action="addClinicalFile" method="post" enctype="multipart/form-data">
                       <s:hidden name="studyConfiguration.id"  />
                       <s:file name="clinicalFile" label="File" />
  
positive.code:             </s:else>            
              <td><s:property value="type" /></td>
              <td><s:property value="description" /></td>
              <td>
                  <s:url id="editClinicalSource" action="editClinicalSource">
                      <s:param name="studyConfiguration.id" value="studyConfiguration.id" />
  
negative.code:     
      <table class="data">
          <tr>
              <th colspan="4">Clinical Data Sources</th>
          </tr>
          <tr>
              <th>Type</th>
              <th>Description</th>
              <th>Status</th>
              <th>Action</th>
          </tr>
          <s:iterator value="studyConfiguration.clinicalConfigurationCollection" status="status">
  