1. Division of Endocrinology and Metabolism (D.W.B., M.X.), Johns Hopkins University School of Medicine, Baltimore, Maryland 21287
2. Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins (D.W.B., N.J., D.M.R., D.S., M.X., B.D.N.), Johns Hopkins University School of Medicine, Baltimore, Maryland 21287
3. Department of Surgery (A.D.), Johns Hopkins University School of Medicine, Baltimore, Maryland 21287
4. Department of Otolaryngology-Head and Neck Surgery (D.S.), Johns Hopkins University School of Medicine, Baltimore, Maryland 21287