1. From the Division of Endocrinology and Hypertension, Department of Medicine, Harvard Medical School, Brigham and Women’s Hospital, Boston, MA (G.K.A., G.R.M.)
2. Division of Endocrinology, Department of Medicine, University of Michigan, Ann Arbor, MI (A.F.T.)
3. Department of Biostatistics, Vanderbilt University (H.N., C.Y.)
4. Department of Surgery (C.C.S.), Vanderbilt University Medical Center, Nashville, TN.
5. Division of Clinical Pharmacology, Department of Medicine (R.M., D.P., J.M.L.), Vanderbilt University Medical Center, Nashville, TN.