/**
  * gets patients without names
  *
  * @return
  */
 public List<Patient> getPatientsWithoutNames() {
   List<Patient> patientsWithoutNames = new ArrayList<Patient>();
   DataQualityService dqs = ((DataQualityService) Context.getService(DataQualityService.class));
   List<Integer> patientIds = dqs.getPatientsWithoutNames();
   for (Integer patientId : patientIds) {
     patientsWithoutNames.add(getPatientById(patientId));
   }
   return patientsWithoutNames;
 }