1 State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
2 Division of Cardiology, Fuwai Hospital, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
3 Division of Cardiology, Beijing Luhe Hospital, Capital Medical University, Beijing, China.
4 Division of Cardiology, Peking University First Hospital, Beijing, China.
5 Division of Cardiology, Qingdao Municipal Hospital, Qingdao, China.