1. Division of Otolaryngology‐Head & Neck Surgery Cedars‐Sinai Medical Center Los Angeles USA
2. Department of Otolaryngology‐Head & Neck Surgery Indiana University Bloomington USA
3. Department of Otolaryngology‐Head & Neck Surgery University of Massachusetts Amherst USA
4. Department of Otolaryngology‐Head & Neck Surgery University of North Carolina Chapel Hill USA
5. Department of Otolaryngology‐Head & Neck Surgery Eastern Virginia Medical School Norfolk UK
6. Department of Otolaryngology‐Head & Neck Surgery University of Louisville Louisville USA
7. Department of Otolaryngology‐Head & Neck Surgery University of Southern California Los Angeles USA
8. Division of Otolaryngology‐Head & Neck Surgery Harvard Medical School and Cambridge Health Alliance Boston USA