anchor.diff:            <col class="col-md-1">
             <col class="col-md-4">
             <col class="col-md-1">
  -          <col class="col-md-2">
  +          <col class="col-md-1">
           </colgroup>
   
           <tbody>
  
positive.code:             <th>status</th>
              <th>title</th>
              <th>started</th>
              <th>source</th>
            </tr>
          </thead>
          <colgroup>
  
negative.code:              <td><span style="display:none"><%= study.average_rating %></span><div class="star-rating" data-score= <%= study.average_rating %> ></div></td>
                <td><%= study.overall_status %></td>
                <td><%= study.brief_title %></td>
                <td><%= study.start_date %></td>
                <td><%= study.primary_completion_date %></td>
              </td>
              </tr>
            <% end %>
  