Department of Cardiology, Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116027, China;
Department of Cardiology, Northern Hospital, Shenyang, Liaoning 110016, China;
Department of Cardiology, Northern Hospital, Shenyang, Liaoning 110016, China;
Department of Cardiology, Northern Hospital, Shenyang, Liaoning 110016, China;
Department of Cardiology, Northern Hospital, Shenyang, Liaoning 110016, China;
Department of Cardiology, Northern Hospital, Shenyang, Liaoning 110016, China;
Department of Cardiology, Northern Hospital, Shenyang, Liaoning 110016, China;