1. Department of OtolaryngologyEmory University School of Medicine Atlanta GA
2. Department of Otolaryngology–Head and Neck SurgeryUniversity of North Carolina at Chapel Hill Chapel Hill NC
3. Sacramento Ear Nose and Throat Medical and Surgical Group Roseville CA
4. ENT Associates of Texas McKinney TX
5. Ogden Clinic Ogden UT
6. Department of Otolaryngology–Head and Neck SurgeryNorthwestern University Feinberg School of Medicine Chicago IL