Department of Cardiology Fuwai Hospital and Cardiovascular Institute Peking Union Medical College and Chinese Academy of Medical Sciences Beijing 100037 China;
The Integration of Traditional and Western Medical Research Academy of Hebei Province Shijiazhuang Hebei 050035 China;
Department of Echocardiography Fuwai Hospital and Cardiovascular Institute Peking Union Medical College and Chinese Academy of Medical Sciences Beijing 100037 China;
Department of Nuclear Medicine Fuwai Hospital and Cardiovascular Institute Peking Union Medical College and Chinese Academy of Medical Sciences Beijing 100037 China;
Department of Biostatistics National Center for Cardiovascular Diseases Beijing 100037 China;