Affiliation: | Qiang Chen(Department of Cardiology, First Affiliated Hospital of PLA General Hospital, Beijing 100048, China);Dang-sheng Huang(Department of Cardiology, First Affiliated Hospital of PLA General Hospital, Beijing 100048, China);Dong Shen(Department of Cardiology, First Affiliated Hospital of PLA General Hospital, Beijing 100048, China);Chun-hong Zhang(Department of Cardiology, First Affiliated Hospital of PLA General Hospital, Beijing 100048, China); |