1. Department of Otolaryngology–Head and Neck Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA
2. Department of Otolaryngology–Head and Neck Surgery, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA
3. Valley ENT, Scottsdale, Arizona, USA
4. Department of Otorhinolaryngology–Head and Neck Surgery, Technische Universität München, Munich, Germany
5. Department of Otolaryngology–Head and Neck Surgery, Weill Cornell Medicine/NewYork-Presbyterian Hospital, New York, New York, USA
6. Department of Otolaryngology–Head and Neck Surgery, MetroHealth Medical Center, Case Western Reserve University, Cleveland, Ohio, USA