1. Department of Otolaryngology–Head and Neck Surgery, Louisiana State University Health Science Center–New Orleans, New Orleans, Louisiana, USA
2. Department of Otolaryngology–Head and Neck Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
3. Department of Otolaryngology–Head and Neck Surgery, University of Kentucky, Lexington, Kentucky, USA
4. Department of Otolaryngology–Head and Neck Surgery, University of Alabama at Birmingham, Birmingham, Alabama, USA
5. Department of Otolaryngology–Head and Neck Surgery, University of Pennsylvania Health System, Philadelphia, Pennsylvania, USA
6. Department of Otolaryngology, Stanford University, Palo Alto, California, USA
7. University of Washington, Seattle, Washington, USA
8. School of Medicine, Oregon Health and Science University, Portland, Oregon, USA