Department of Cardiology, First Affiliated Hospital of Dalian Medical University. University Hospital, Lund, Sweden;
Department of Cardiology, First Affiliated Hospital of Dalian Medical University. University Hospital, Lund, Sweden;
Department of Cardiology, First Affiliated Hospital of Dalian Medical University. University Hospital, Lund, Sweden;
Department of Cardiology, First Affiliated Hospital of Dalian Medical University. University Hospital, Lund, Sweden;