Department of Cardiology, Anhui Provincial Hospital Affiliated to Anhui Medical University, Hefei, Anhui 230000, China;
Department of Electrocardiogram, Anhui Institute of Cardiovascular Diseases, Hefei, Anhui 230000, China;
Department of Cardiology, Anhui Provincial Hospital Affiliated to Anhui Medical University, Hefei, Anhui 230000, China;
Department of Cardiology, Anhui Provincial Hospital Affiliated to Anhui Medical University, Hefei, Anhui 230000, China;
Department of Cardiology, Anhui Provincial Hospital Affiliated to Anhui Medical University, Hefei, Anhui 230000, China;
Department of Cardiology, Anhui Provincial Hospital Affiliated to Anhui Medical University, Hefei, Anhui 230000, China;
Department of Echocardiography, Anhui Provincial Hospital Affiliated to Anhui Medical University, Hefei, Anhui 230000, China;