1. Head and Neck Institute, Cleveland Clinic Foundation, Cleveland, OH, USA
2. Department of Otolaryngology – Head and Neck Surgery, Thomas Jefferson University Hospital, Philadelphia, PA, USA
3. Department of Otolaryngology – Head and Neck Surgery, University of Arkansas for Medical Sciences, Little Rock, AR, USA
4. Department of Surgery, Division of Otolaryngology – Head and Neck Surgery, University of California San Diego, La Jolla, CA, USA
5. Division of Pediatric Otolaryngology, Rady Children’s Hospital – San Diego, San Diego, CA, USA
6. Department of Public Health Sciences, The Pennsylvania State University, College of Medicine, Hershey, PA, USA
7. Department of Otolaryngology – Head and Neck Surgery, The Pennsylvania State University, College of Medicine, Hershey, PA, USA