1. Houston, Texas; Chapel Hill, North Carolina; and Baltimore, Maryland
2. Bobby R. Alford Department of Otolaryngology-Head and Neck Surgery Baylor College of Medicine
3. Department of Otolaryngology–Head and Neck Surgery University of North Carolina–Chapel Hill
4. Department of Epidemiology Johns Hopkins University Bloomberg School of Public Health
5. Department of Physical Medicine and Rehabilitation Johns Hopkins Hospital
6. Division of Facial Plastic and Reconstructive Surgery, Department of Otolaryngology–Head and Neck Surgery Johns Hopkins University School of Medicine