1. Departments of Endocrinology (X.-M.M., H.-Q.L., Q.L., D.-M.L., X.-J.X., G.-P.Y., P.Z., X.-H.X., J.-D.W.), Affiliated Nanjing First Hospital, Nanjing Medical University, Nanjing 210006, China
2. Ultrasonography (S.-W.C.), Affiliated Nanjing First Hospital, Nanjing Medical University, Nanjing 210006, China
3. Central Laboratory (S.-K.W.), Affiliated Nanjing First Hospital, Nanjing Medical University, Nanjing 210006, China