1. Department of Otolaryngology; University of Texas (UT) Southwestern Medical Center; Dallas TX
2. Coastal Sinus and Allergy Center-Ear, Nose, and Throat Clinic; Gulfport MS
3. Department of Otolaryngology; Wake Forest University Baptist Medical Center; Winston-Salem NC
4. Associated Otolaryngologists; Hershey PA
5. Department of Otolaryngology; The Johns Hopkins Hospital; Baltimore MD