anchor.diff:      <s:hidden name="studyConfiguration.id"  />
       <table class="data">
           <tr>
  -            <th colspan="3">Imaging Data Sources</th>
  +            <th colspan="4">Imaging Data Sources</th>
           </tr>
           <tr>
               <th>Type</th>
               <th>Description</th>
  +            <th>Status</th>
               <th>Action</th>
           </tr>
           <s:iterator value="studyConfiguration.imageAnnotationConfigurations" status="status">
  
positive.code:         </tr>
          </s:iterator>
          <tr>
              <th colspan="3">
                  <s:form action="addClinicalFile" method="post" enctype="multipart/form-data">
                      <s:hidden name="studyConfiguration.id"  />
                      <s:file name="clinicalFile" label="File" />
  
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">
  