1. Division of Endocrinology (N.E.C, J.S.S., A.M.T., J.Z.Y, R.S., E.A.N.), Department of Medicine, The Warren Alpert Medical School of Brown University/Rhode Island Hospital, Providence, Rhode Island 02903
2. Department of Molecular Biology, Cell Biology and Biochemistry (E.A.N.), Brown University, Providence, Rhode Island 02912