1. Institute and Department of Endocrinology and Metabolism (N.W., B.H., Q.L., Yi.C., C.Z., Yin.C., F.X., M.L., Y.M., C.C., D.L., Y.L.), Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai 200011, China
2. Department of Biostatistics (X.W., B.W.), Shanghai JiaoTong University School of Medicine, Shanghai 200025, China
3. Endocrine Research Unit (M.D.J.), Mayo Clinic, Rochester, Minnesota 55905