1. Department of Otolaryngology–Head and Neck SurgeryUniversity of California–San FranciscoSan FranciscoCaliforniaUSA
2. Department of ENTCollege of Medicine and Health SciencesUniversity of RwandaKigaliRwanda
3. Department of SurgeryUniversity Teaching Hospital of KigaliKigaliRwanda
4. Division of Facial Plastic and Reconstructive SurgeryDepartment of Otolaryngology–Head and Neck SurgeryMassachusetts Eye & EarHarvard Medical SchoolBostonMassachusettsUSA