1. Department of Otolaryngology‐Head and Neck Surgery Southern Illinois University School of Medicine Springfield Illinois
2. Maine Medical Partners Endocrinology & Diabetes Center Scarborough Maine
3. Department of Otolaryngology‐Head and Neck Surgery Anne & Robert H. Lurie Children's Hospital of Chicago, Northwestern University Feinberg School of Medicine Chicago Illinois
4. Department of Surgery University of Chicago Chicago Illinois
5. Department of Pathology and Laboratory Medicine Hospital of the University of Pennsylvania Philadelphia Pennsylvania
6. Department of Otolaryngology‐Head and Neck Surgery, Division of Thyroid and Parathyroid Endocrine Surgery, Massachusetts Eye and Ear Infirmary Harvard Medical School Boston Massachusetts
7. Department of Pathology Massachusetts General Hospital, Harvard Medical School Boston Massachusetts
8. Department of Otolaryngology‐Head and Neck Surgery Children's Hospital of Pennsylvania, University of Pennsylvania Philadelphia Pennsylvania
9. Department of Pediatrics University of Florida College of Medicine Gainesville Florida
10. Department of Otolaryngology‐Head and Neck Surgery LeBonheur Children's Hospital, St. Jude Children's Research Hospital, University of Tennessee Health Sciences Center Memphis Tennessee
11. Department of Otolaryngology‐Head and Neck Surgery Brigham and Women's Hospital, Harvard Medical School Boston Massachusetts
12. Department of Pediatrics Boston Children's Hospital, Harvard Medical School Boston Massachusetts
13. Department of Surgery Mayo Clinic Rochester Minnesota
14. Department of Pediatrics Pittsburgh Children's Hospital, University of Pittsburgh School of Medicine Pittsburgh Pennsylvania