1. Thyroid Section, Division of Endocrinology, Diabetes, and Hypertension, Department of Medicine (C.L., C.M., A.M., J.W.H., A.M.Z., P.R.L.), Brigham and Women’s Hospital and Harvard Medical School, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02115
2. Division of Endocrinology, Diabetes, and Metabolism (K.V.), Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02115
3. Istituto di Ricovero e Cura a Carattere Scientifico Fondazione Studio di Diagnostica Nucleare “SDN” (R.A.), 80142 Naples, Italy
4. Department of Clinical Medicine and Surgery (M.D., D.S.), University of Naples Federico II, 80131 Naples, Italy