1. Division of Prevention and Community Health, National Center for Cardiovascular Disease (Z.W., Z.C., L.Z., X.W., L.S., Y.T., Y.D., C.Z., J.W., M.Z.)
2. Fuwai Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China. Georgia Prevention Institute, Medical College of Georgia, Augusta University (G.H.).
3. Christiana Care Health System, Newark, DE (Z.Z.).
4. MedStar Washington Hospital Center, Washington, DC (W.S.W.).
5. Department of Cardiology (R.G.)