1. Department of Otolaryngology - Head and Neck Surgery; University of Pittsburgh Medical Center; Pittsburgh Pennsylvania
2. Department of Pathology; University of Pittsburgh Medical Center; Pittsburgh Pennsylvania
3. Department of Otolaryngology - Head and Neck Surgery; Augusta University; Augusta Georgia
4. Department of Surgical Oncology; Fox Chase Cancer Center; Philadelphia Pennsylvania
5. Department of Surgery; University of Chicago Medical Center; Chicago Illinois
6. Department of Surgery; University of California San Francisco; San Francisco California
7. Department of Surgery; Memorial Sloan Kettering Cancer Center; New York New York
8. Department of Endocrinology; Memorial Sloan Kettering Cancer Center; New York New York
9. Department of Head and Neck - Endocrine Oncology; Moffitt Cancer Center; Tampa Florida
10. Department of Endocrinology; Mayo Clinic Jacksonville; Jacksonville Florida
11. Department of Endocrinology; Memorial Regional Hospital; Hollywood Florida
12. Department of Endocrine Neoplasia; MD Anderson Cancer Center; Houston; Texas
13. Department of Pathology; Brigham and Women's Hospital; Boston Massachusetts
14. Department of Pathology; Massachusetts General Hospital; Boston Massachusetts
15. Department of Otolaryngology Head and Neck Surgery; Harvard Medical School; Boston Massachusetts
16. Department of Pathology; University of Pennsylvania; Philadelphia Pennsylvania
17. Department of Otolaryngology; Oregon Health Science University; Portland Oregon
18. Department of Otolaryngology; Stanford University; Stanford California
19. Department of Otolaryngology and Audiology; Dartmouth-Hitchcock Medical Center; Lebanon New Hampshire