1. Department of Otolaryngology–Head and Neck Surgery, Wayne State University School of Medicine, Detroit, Michigan, USA
2. Department of Otolaryngology–Head & Neck Surgery, Stanford University School of Medicine, Stanford, California, USA
3. Department of Otorhinolaryngology–Head and Neck Surgery, University of Texas Medical School at Houston, Houston, Texas, USA
4. Department of Otolaryngology–Head and Neck Surgery, University of Missouri School of Medicine, Columbia, Missouri, USA
5. Department of Otolaryngology–Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
6. American Academy of Otolaryngology–Head and Neck Surgery Foundation, Alexandria, Virginia, USA
7. American Board of Otolaryngology—Head & Neck Surgery, Houston, Texas, USA
8. University of Michigan Medical School, Ann Arbor, Michigan, USA