[1] Second Peoples Hosp Chengdu, Dept Cardiol, Chengdu, Sichuan, Peoples R China
[2] Sichuan Univ, West China Sch Publ Hlth, Dept Epidemiol & Hlth Stat, Chengdu, Sichuan, Peoples R China
[3] Cent S Univ, Xiangya Hosp 2, Dept Cardiol, Middle Ren Min Rd 139, Changsha 410011, Hunan, Peoples R China
[4] Chinese Acad Med Sci, Peking Union Med Coll, Dept Cardiol, Cardiovasc Inst, Beijing, Peoples R China
[5] Chinese Acad Med Sci, Peking Union Med Coll, Fuwai Hosp, Beijing, Peoples R China
[6] Cent South Univ, Xiangya Med Coll, Sch Publ Hlth, Dept Epidemiol & Hlth Stat, Changsha, Hunan, Peoples R China
[7] Sichuan Prov Pepoles Hosp, Dept Cardiol, Chengdu, Sichuan, Peoples R China
[8] Natl Taiwan Univ Hosp, Dept Internal Med, Cardiovasc Ctr, 7 Zhong Shan South Rd, Taipei 10002, Taiwan
[9] Natl Taiwan Univ Hosp, Dept Internal Med, Div Cardiol, 7 Zhong Shan South Rd, Taipei 10002, Taiwan