1. Division of Otolaryngology, Head and Neck Surgery, Phoenix Children's Hospital, Department of Child Health University of Arizona Tucson Arizona U.S.A.
2. College of Medicine, Department of Otolaryngology Mayo College of Medicine and Science Phoenix Arizona U.S.A.
3. Department of Otolaryngology – Head and Neck Surgery Hospital for Sick Children, University of Toronto Toronto Canada
4. Department of Otolaryngology, Head and Neck Surgery, Stanford University Lucile Salter Packard Children's Hospital Palo Alto California U.S.A.
5. Department of Otolaryngology – Head and Neck Surgery, Division of Pediatric Otolaryngology University of Cincinnati College of Medicine, Cincinnati Children's Hospital Medical Center Cincinnati Cincinnati Ohio U.S.A.
6. Department of Pediatric Otolaryngology Texas Children's Hospital Houston Texas U.S.A.
7. Division of Otolaryngology – Head and Neck Surgery Seattle Children's Hospital Seattle Washington U.S.A.
8. Department of Otolaryngology – Head and Neck Surgery Montreal Children's Hospital, McGill University Montreal Quebec Canada
9. Department of Otolaryngology, Children's National Health System, Division of Otolaryngology George Washington University Washington Washington District of Columbia U.S.A.
10. Department of Pediatric Otolaryngology University of Colorado School of Medicine and Children's Hospital Colorado Aurora Colorado U.S.A.
11. Department of Otolaryngology – Head and Neck Surgery, University of Michigan Mott Children's Hospital Ann Arbor Michigan U.S.A.
12. Division of Pediatric Otolaryngology Rady Children's Hospital San Diego San Diego California U.S.A.
13. Division of Otolaryngology Dayton Children's Hospital Dayton Ohio U.S.A.
14. Department of Otolaryngology – Head and Neck Surgery, Victoria Hospital, Schulich School of Medicine and Dentistry Western University London Ontario Canada
15. Department of Otorhinolaryngology University of Texas at Houston McGovern Medical School Houston Texas U.S.A.
16. Department of Otolaryngology – Head and Neck Surgery Division of Pediatric Otolaryngology University of Texas Southwestern Medical Center Dallas Texas U.S.A.
17. Department of Anesthesiology and Critical Care Medicine Children's Hospital of Philadelphia Philadelphia Pennsylvania U.S.A.
18. Department of Anesthesiology and Critical Care University of Pennsylvania Perelman School of Medicine Philadelphia Pennsylvania U.S.A.
19. Department of Otolaryngology – Head and Neck Surgery Loyola University Medical Center Maywood Illinois U.S.A.
20. Department of Otolaryngology, Children's Hospital of Wisconsin‐Milwaukee Campus Medical College of Wisconsin Milwaukee Wisconsin U.S.A.
21. Department of Otolaryngology – Head and Neck Surgery, Oregon Health and Science University, Pediatric Otolaryngology Doernbecher Children's Hospital Portland Oregon U.S.A.
22. Division of Pediatric Otolaryngology Ann & Robert H. Lurie Children's Hospital of Chicago Chicago Illinois U.S.A.
23. Department of Otolaryngology – Head and Neck Surgery Medical University of South Carolina Charleston South Carolina U.S.A.
24. Division of Otolaryngology Monroe Carell Jr Children's Hospital at Vanderbilt Nashville Tennessee U.S.A.
25. Department of Otolaryngology – Head and Neck Surgery Children's Hospital of the King's Daughters Eastern Virginia Medical School Norfolk Virginia U.S.A.
26. Otolaryngology – Head and Neck Surgery Washington University School of Medicine St Louis Missouri U.S.A.
27. Pediatric Otolaryngology, British Columbia Children's Hospital University of British Columbia Vancouver British Columbia Canada
28. Department of Otolaryngology and Communication Enhancement Boston Children's Hospital Boston Massachusetts U.S.A.
29. Arizona Otolaryngology Consultants Phoenix Arizona U.S.A.
30. Department of Otolaryngology, Head and Neck Surgery, Perth Children's Hospital University of Western Australia Perth Western Australia Australia
31. Department of Otolaryngology/Head and Neck Surgery University of North Carolina at Chapel Hill Chapel Hill North Carolina U.S.A.
32. Division of Pediatric Surgery and Otolaryngology – Head and Neck Surgery, Departments of Surgery and Pediatrics, The Stollery Children's Hospital University of Alberta Hospital Edmonton Alberta Canada
33. Division of Pediatric Otolaryngology Nemours/Alfred I. duPont Hospital for Children Wilmington Delaware U.S.A.
34. Department of Paediatric Otolaryngology Sydney Children's Hospital Randwick New South Wales Australia
35. Division of Otolaryngology – Head and Neck Surgery University of Utah School of Medicine Salt Lake City Utah U.S.A.
36. Division of Otolaryngology, The Children's Hospital of Philadelphia, Department of Otorhinolaryngology – Head and Neck Surgery, University of Pennsylvania Perelman School of Medicine Philadelphia Pennsylvania U.S.A.
37. Department of Otolaryngology, Massachusetts Eye and Ear Infirmary Harvard Medical School Boston Boston Massachusetts U.S.A.
38. Division of Otolaryngology, Department of Surgery, CHEO University of Ottawa Ottawa Ontario Canada
39. Department of Otolaryngology Great Ormond Street Hospital London United Kingdom
40. Division of Pediatric Otolaryngology Arkansas Children's Hospital Little Rock Arkansas U.S.A.