Department of Cardiology, First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, China;
Department of Cardiology, Fuxin Center Hospital, Fuxin, Liaoning 123000, China;
Department of Cardiology, First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, China;
Department of Cardiology, First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, China;
Department of Cardiology, First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, China;
Department of Cardiology, First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, China;
Department of Cardiology, Dalian Jinzhou First People's Hospital, Dalian, Liaoning 116100, China;