| Affiliation: | 1. Division of Prevention and Community Health, National Center for Cardiovascular Disease, National Clinical Research Center of Cardiovascular Disease, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Beijing, China;2. Heart Failure Center, Fuwai Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Beijing, China;3. Department of Echocardiography, Fuwai Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Beijing, China;4. Corresponding authors. Zengwu Wang, Division of Prevention and Community Health, National Center for Cardiovascular Disease, National Clinical Research Center of Cardiovascular Disease, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences. No. 15 (Lin), Fengcunxili, Mentougou District, Beijing 102308, China. Tel: +86 10 60866161, Fax: +86 10 60866161, Email: Runlin Gao, Department of Cardiology, Fuwai Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences. No. 167, Beilishilu, Xicheng District, Beijing 100037, China. Tel: +86 10 88398666, Fax: +86 10 88398666, Email:;5. Department of Cardiology, Fuwai Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Beijing, China |
