1. Department of Otolaryngology – Head and Neck Surgery University of Illinois Chicago Chicago Illinois USA
2. Department of Otolaryngology – Head and Neck Surgery Rutgers New Jersey Medical School Newark New Jersey USA
3. Division of Otolaryngology – Head and Neck Surgery University of Alberta Edmonton Alberta Canada
4. Department of Otolaryngology‐Head and Neck Surgery Harvard Medical School Boston Massachusetts USA
5. Department of Otolaryngology Massachusetts Eye and Ear Boston Massachusetts USA
6. Department of Otolaryngology Head and Neck Surgery Macquarie University Sydney Australia
7. Department of Otolaryngology Head and Neck Surgery Royal Prince Alfred Hospital Sydney Australia
8. Department of Otolaryngology – Head and Neck Surgery Vanderbilt University Medical Center Nashville Tennessee USA
9. Proliance Surgeons Seattle and Puyallup WA Seattle Washington USA
10. Department of Otolaryngology Head and Neck Surgery Eastern Virginia Medical School Norfolk Virginia USA
11. Department of Otolaryngology – Head and Neck Surgery University of Arizona College of Medicine Tucson Arizona USA
12. Department of Head and Neck Surgery David Geffen School of Medicine at the University of California Los Angeles Los Angeles California USA
13. Department of Otorhinolaryngology – Head and Neck Surgery McGovern Medical School of the University of Texas Health Science Center at Houston Houston Texas USA
14. Department of Otolaryngology and Communication Sciences Medical College of Wisconsin Milwaukee Wisconsin USA
15. Department of Otolaryngology – Head & Neck Surgery West Virginia University Morgantown West Virginia USA
16. Michael Setzen Otolaryngology, PC, Great Neck, NY Weill Cornell Medical College New York New York USA
17. Department of Otolaryngology – Head & Neck Surgery University of Manitoba Winnipeg Manitoba Canada
18. Department of Otolaryngology‐Head and Neck Surgery Emory University Atlanta Georgia USA
19. Department of Otolaryngology‐Head and Neck Surgery University of Kansas Medical Center Kansas City Kansas USA
20. Caruso Department of Otolaryngology‐Head and Neck Surgery Keck School of Medicine of the University of Southern California Los Angeles California USA