1. Department of Otolaryngology‐Head and Neck Surgery Columbia University Irving Medical Center New York NY
2. Department of Head and Neck Surgery David Geffen School of Medicine at UCLA Los Angeles CA
3. Department of Otolaryngology/Head and Neck Surgery University of North Carolina School of Medicine Chapel Hill NC
4. Department of Otorhinolaryngology, Head and Neck Surgery & Audiology University of Copenhagen Copenhagen Denmark
5. Department of Otolaryngology‐Head and Neck Surgery University of Alabama at Birmingham Birmingham AL
6. Department of Otolaryngology‐Head and Neck Surgery Medical University of South Carolina Charleston SC
7. Division of Otolaryngology‐Head and Neck Surgery Brigham and Women's Hospital Boston MA
8. Department of Otorhinolaryngology‐Head and Neck Surgery University of Pennsylvania Philadelphia PA
9. Division of Pulmonary, Allergy, and Critical Care Medicine Columbia University Irving Medical Center New York NY