1. Department of Surgery, Section of Endocrine Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.
2. Division of Endocrinology and Metabolism, The Johns Hopkins University School of Medicine, Baltimore, Maryland.
3. Department of Surgery, University of Michigan Health Systems, Ann Arbor, Michigan.
4. Surgical Services, Veterans Affairs Medical Center and University of California, San Francisco, California.
5. Divisions of Endocrinology, Diabetes and Metabolism and Nuclear Medicine; Departments of Internal Medicine and Radiology; The Ohio State University, The Arthur G. James Cancer Hospital and Richard J. Solove Research Institute, and The Ohio State University Comprehensive Cancer Center, Columbus, Ohio.
6. Division of Endocrinology, Diabetes and Metabolism, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania.
7. Massachusetts Eye and Ear Infirmary, Boston, Massachusetts.
8. Department of Otolaryngology—Head and Neck Surgery, University of Arkansas for Medical Sciences, Little Rock, Arkansas.
9. Department of Otolaryngology—Head and Neck Surgery, University of Cincinnati College of Medicine, Cincinnati, Ohio.
10. Department of Otolaryngology—Head and Neck Surgery, Medical College of Georgia, Augusta, Georgia.
11. Mayo Clinic, Rochester, Minnesota.
12. Department of Otolaryngology—Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland.
13. Department of Endocrinology, Memorial Sloan-Kettering Cancer Center, New York, New York.
14. Department of Surgery, Yale University School of Medicine, New Haven, Connecticut.