1. Department of Otolaryngology–Head and Neck SurgerySchool of MedicineStanford UniversityStanfordCaliforniaUSA
2. Department of Otolaryngology–Head and Neck SurgerySchool of MedicineEmory UniversityAtlantaGeorgiaUSA
3. Department of Otolaryngology–Head and Neck SurgeryHarvard Medical SchoolBostonMassachusettsUSA
4. Center for Surgery and Public HealthDepartment of SurgeryBrigham and Women’s HospitalBostonMassachusettsUSA
5. Department of Head and Neck Surgery and Communication SciencesDepartment of Population Health SciencesSchool of MedicineDuke UniversityDurhamNorth CarolinaUSA
6. Duke Cancer InstituteDurhamNorth CarolinaUSA
7. Department of Otolaryngology–Head and Neck SurgeryUniversity of Michigan Medical SchoolAnn ArborMichiganUSA