1. Department of Epidemiology; Fuwai Hospital, State Key Laboratory of Cardiovascular Disease, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College; Beijing China
2. Division of Epidemiology; Guangdong Provincial People's Hospital and Cardiovascular Institute; Guangzhou China
3. Department of Epidemiology and Biostatistics, School of Public Health; Nanjing Medical University; Nanjing China
4. Department of Cardiology; Fujian Provincial People's Hospital; Fuzhou China