anchor.diff:              var caseId = $(this).attr('alt');
               clinicalData = [];
               for (var key in clinicalDataMap[caseId]) {
  -                clinicalData.push([clinicalAttributes[key]["displayName"], clinicalDataMap[caseId][key]]);
  +                clinicalData.push([clinicalAttributes && clinicalAttributes[key]["displayName"] || key, clinicalDataMap[caseId][key]]);
               }
               table_text = "<table id='more-sample-info-table-"+caseId+"'></table>";
               dataTable = {
  
positive.code:                 $("#link-samples-table").click();
              });
              
          } else {
              $("#clinical_div").append(svg_corner + head_recs.replace(/, <\/div>$/, "</div>"));
          }
          addMoreClinicalTooltip("#more-patient-info");
          addMoreClinicalTooltip(".more-sample-info");
              
      
      } else {
  
negative.code: 
              row += "</td><td align='right'><a href='#' class='more-clinical-a' alt='"+caseId+"'>More about this tumor</a></td></tr>";
              $("#clinical_table").append(row);
              addMoreClinicalTooltip(".more-clinical-a");
  
          }
      }
  