1. Department of Epidemiology and Biostatistics School of Public Health Peking University Beijing China
2. Department of Cardiology Peking University First Hospital Beijing China
3. Department of Cardiology The Second Affiliated Hospital Zhejiang University Hangzhou China
4. Department of Cardiology Tianjin Medical University General Hospital Tianjin China
5. Department of Cardiology Second Hospital of Hebei Medical University Shijiazhuang China
6. Department of Cardiology Guangdong General Hospital Guangzhou China
7. Department of Cardiology Chinese Academy of Medical Sciences & Peking Union Medical College Fuwai Hospital Beijing China
8. Department of Cardiology Chinese PLA General Hospital Beijing China
9. Department of Cardiology Zhongshan Hospital Fudan University Shanghai China