/**
   * gets patients Without any Program
   *
   * @param session
   * @return patients
   */
  public List<Patient> getPatientWithoutProgram() {

    DataQualityService dqs = ((DataQualityService) Context.getService(DataQualityService.class));
    List<Patient> patientList = new ArrayList<Patient>();
    try {
      patientList = dqs.getPatientsWithNoProgram();
    } catch (UnexpectedRollbackException unre) {
      unre.printStackTrace();
    }

    return patientList;
  }