Affiliation: | 1. Vanderbilt University Medical Center Dept. of Otolaryngology and Pulmonology, Nashville, Tennessee;2. Baylor College of Medicine Dept. of Otolaryngology, Houston, Texas;3. Imperial College Healthcare NHS Trust Dept. of Otolaryngology, London, United Kingdom;4. Cleveland Clinic Dept. of Otolaryngology, Cleveland, Ohio;5. Johns Hopkins University Dept. of Otolaryngology, Baltimore, Maryland;6. Mayo Clinic Dept. of Otolaryngology and Pulmonology, Rochester, Minnesota;7. Oregon Health and Science University Dept. of Otolaryngology, Portland, Oregon;8. University of Utah School of Medicine Dept. of Otolaryngology, Salt Lake City, Utah;9. University of Virginia Health System Dept. of Otolaryngology, Charlottesville, Virginia, U.S.A. |