anchor.diff:                      </thead>
                       <tbody>
                       <c:set var="values" value="${experimentalFactor.topValues}"/>
  -                    <c:if test="${ef!=null}">
  +                    <c:if test="${not empty ef}">
                           <c:set var="values" value="${experimentalFactor.values}"/>
                       </c:if>
                       <c:forEach var="e" items="${values}" varStatus="i">
  
positive.code:             <c:if test='${experimentalFactor.name=="organism_part" && hasAnatomogram}'>
                  <br/>
  
                  <div style="overflow:hidden; <c:if test="${ef==null}">width:300px;</c:if>">
                      <img src="${pageContext.request.contextPath}/<c:if test="${ef==null}">web</c:if>anatomogram/${atlasGene.geneIdentifier}.png"
                           alt="anatomogram" border="none" usemap="#anatomogram"/>
                  </div>
                  <!--
  
negative.code: </table>
  
  <c:forEach var="experimentalFactor" items="${differentiallyExpressedFactors}" varStatus="i" begin="6">
      <c:if test="${empty ef}">
          <div class="geneAnnotHeader">${f:escapeXml(atlasProperties.curatedEfs[experimentalFactor.name])}</div>
      </c:if>
      studied in
      <c:forEach var="experiment" items="${experimentalFactor.experiments}" varStatus="i_e">
          <c:if test="${(i_e.index<5)||(not empty ef)}">
              <a href="${pageContext.request.contextPath}/experiment/${experiment}/${atlasGene.geneIdentifier}">${experiment}</a><c:if
                  test="${!i_e.last}">, </c:if>
          </c:if>
          <c:if test="${i_e.last}">
              <c:if test="${(i_e.count>=5)&&(empty ef)}">
                  ... (${i_e.count} experiments)
              </c:if>
          </c:if>
      </c:forEach>
      <c:if test="${empty ef}">
          <div style="font-size:10px;">
              <a href="${pageContext.request.contextPath}/gene/${atlasGene.geneIdentifier}?ef=${experimentalFactor.name}">show
                  this factor only&gt;&gt;</a>
  