content_item verify_observer ups_req series_req rel_ups_station_name_code rel_ups_station_location_code rel_ups_station_class_code rel_ups_perf_code rel_task_dicomattrs rel_study_pcode location ian_task hl7psu_task subscription study_query_attrs stgcmt_result sps_station_aet soundex_code series_query_attrs rejected_instance global_subscription mwl_item task mpps instance ups series study patient patient_id patient_demographics person_name uidmap metadata dicomattrs id_sequence code