anchor.diff:                              genes: geneDataColl.genes.split(" ")
                           });
   
  +                        // disable the option to sort by clinical data
                           $(sortBy.add('option[value="clinical"]')[1]).prop('disabled', true);
                       } else {
                           oncoprintClinicals = new ClinicalColl({
  
positive.code:                                     clinical_attrs: response.attributes()
                                  });
  
                                  $(sortBy.add('option[value="clinical"]')[1]).prop('disabled', false);
  
                                  sortBy.val('genes');
                              }
                          });
                      }
                  };
                  $(select_clinical_attributes_id).change(clinicalAttributeSelected);
  
                  $('#oncoprint_controls #sort_by').change(function() {
                      oncoprint.sortBy(sortBy.val());
                  });
  
negative.code:                         $('#oncoprint .loader_img').hide();
                          $('#oncoprint #everything').show();
  
                          oncoprintZoomSetup($('#oncoprint_controls #zoom'));
                      }
                  });
  
                  var select_clinical_attributes_id = '#select_clinical_attributes';
                  var oncoprintClinicals;
                  var sortBy = $('#oncoprint_controls #sort_by');
  
                  // handler for when user selects a clinical attribute to visualization
                  var clinicalAttributeSelected = function() {
                      oncoprint.remove_oncoprint();
                      $('#oncoprint_body .loader_img').show();
  