1. Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University , 2 Anzhen Road, Chaoyang District, Beijing 100029 , China
2. National Clinical Research Center for Cardiovascular Diseases , 2 Anzhen Road, Chaoyang District, Beijing 100029 , China
3. Department of Epidemiology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases , Beijing , China
4. Division of Cardiology, Geffen School of Medicine, University of California , Los Angeles, CA , USA
5. Division of Cardiology, University of North Carolina , Chapel Hill, NC , USA
6. Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart and Chest Hospital , Liverpool , UK
7. Department of Clinical Medicine, Aalborg University , Aalborg , Denmark