1. Department of Medicine (G.W., P.S.S., S.S.N., R.M.L.), Division of Endocrinology, Diabetes and Metabolism, Tupper Research Institute, Tufts Medical Center, Tufts University School of Medicine, Boston, Massachusetts 02111;
2. Thyroid Section (J.W.H., P.R.L.), Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital, Boston, Massachusetts 02115;
3. School of Biological Sciences (P.S.S.), National Institute of Science Education and Research, Institute of Physics Campus, PO Sainik School, Bhubaneswar-751005, India
4. Department of Neuroscience (R.M.L.), Tufts University School of Medicine, Boston, Massachusetts 02111;