1. Department of Otolaryngology—Head and Neck Surgery Stanford University School of Medicine Stanford California U.S.A.
2. Department of Head and Neck Surgery and Communication Sciences Duke University School of Medicine Durham North Carolina U.S.A.
3. Department of Population Health Sciences Duke University School of Medicine Durham North Carolina U.S.A.
4. Duke Cancer Institute Duke University Durham North Carolina U.S.A.
5. Duke Global Health Institute Durham North Carolina U.S.A.
6. Division of General Medical Disciplines Stanford University School of Medicine Stanford California U.S.A.