1. Department of Epidemiology, Beijing An Zhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases, China (Y. Hao, Jing Liu, Jun Liu, N.Y., M.Z, Y.X., D.Z.).
2. Division of Cardiology, University of North Carolina, Chapel Hill (S.C.S.).
3. Department of Cardiology, Peking University First Hospital, Beijing, China (Y. Huo).
4. Division of Cardiology, Geffen School of Medicine at University of California, Los Angeles (G.C.F.).
5. Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, China (J.G.).
6. Department of International Science, American Heart Association, Basel, Switzerland (K.A.T.).
7. International Quality Improvement Department, American Heart Association, Dallas, TX (L.M.).
8. Department of Cardiology, Beijing An Zhen Hospital, Capital Medical University, China (C.- S.M.).
9. Cardiovascular Research Institute and Department of Cardiology, General Hospital of Shenyang Military Region, Liaoning, China (Y. Han).