1. Department of Otolaryngology, University of Oxford and The Radcliffe Infirmary, Oxford, United Kingdom;
2. Department of Otolaryngology, Columbia University College of Physicians and Surgeons, New York, NY and University of Medicine and Dentistry, Newark, NJ;
3. Department of Otolaryngology, State University of New York Downstate, and The Long Island College Hospital, Brooklyn, NY. (Dr Rosen-feld)