1. Department of Surgery, Division of Otolaryngology–Head & Neck Surgery, University of Connecticut Health Center, Farmington, Connecticut, USA
2. Departments of Otolaryngology–Head & Neck Surgery and Epidemiology, Johns Hopkins University School of Medicine and Bloomberg School of Public Health, Baltimore, Maryland, USA
3. Center on Aging and Health, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
4. Department of Otolaryngology–Head & Neck Surgery, Virginia Commonwealth University, Richmond, Virginia, USA
5. Department of Otolaryngology–Head & Neck Surgery, Drexel University College of Medicine, Philadelphia, Pennsylvania, USA
6. Department of Otolaryngology–Head and Neck Surgery, University of Washington, Seattle, Washington, USA