1. Department of OtolaryngologySUNY Downstate Health Sciences UniversityBrooklynNew YorkUSA
2. Department of Otolaryngology–Head and Neck SurgeryJohns Hopkins University School of MedicineBaltimoreMDUSA
3. Ear, Nose and Throat (Otolaryngology) DepartmentVirginia Mason Medical CenterSeattleWashingtonUSA