1. From the Department of Endocrinology and Metabolism (D.L., Y.H., C.H., X.W., P.Z., D.G., J.L., B.X., S.L., Y.X., H.Z.) and the Department of Nutrition (S.Y., L.S.), Nanfang Hospital, Southern Medical University, Guangzhou, China; and the Department of Epidemiology, Tulane University School of Public Health and Tropical Medicine, New Orleans (C.L., H.H., J.H.).