1. Department of Otolaryngology, Greater Baltimore Medical Center, Department of Otolaryngology–Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
2. New York University School of Medicine, New York, New York
3. Department of Otolaryngology–Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
4. Department of Otolaryngology–Head and Neck Surgery, University of North Carolina School of Medicine, Chapel Hill, North Carolina