/// <summary>
 /// Class Constructor.
 /// </summary>
 public QueryRetrieveInformationModels()
 {
     _patientRootInformationModel      = new QueryRetrievePatientRootInformationModel();
     _studyRootInformationModel        = new QueryRetrieveStudyRootInformationModel();
     _patientStudyOnlyInformationModel = new QueryRetrievePatientStudyOnlyInformationModel();
 }
 /// <summary>
 /// Class Constructor.
 /// </summary>
 public QueryRetrieveInformationModels()
 {
     _patientRootInformationModel = new QueryRetrievePatientRootInformationModel();
     _studyRootInformationModel = new QueryRetrieveStudyRootInformationModel();
     _patientStudyOnlyInformationModel = new QueryRetrievePatientStudyOnlyInformationModel();
 }