1. From the Institute of Hypertension and Department of Internal Medicine (H.D., B.W., J.Y., D.W.W.), Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Fuwai Hospital (H.W., Z.L., R.H.), Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China; and School of Dental Medicine (X.W.) and Graduate School of Public Health (J.R.S.), University of Pittsburgh, Pa.