1. Boston Children's Hospital; Boston Massachusetts
2. Weill Cornell Medical College, Department of Otolaryngology and Head and Neck Surgery; New York New York
3. Texas Healthcare; Fort Worth Texas
4. Charlotte Eye, Ear, Nose and Throat Associates; Charlotte North Carolina
5. ENT of Georgia; Atlanta Georgia
6. Piedmont Ear, Nose and Throat and Related Allergy; Atlanta Georgia
7. Nose and Sinus Institute of Boca Raton; Boca Raton Florida
8. ENT Associates of South Florida, P.A.; Boynton Beach Florida
9. ENT Associates of South Florida; Boca Raton Florida
10. ENT and Allergy Associates, LLP Department of Otolaryngology; Port Jefferson New York
11. Witham Health Services/Memorial Hospital ENT Department; Lebanon Indiana
12. Silverstein Institute; Sarasota Florida
13. Red River ENT Associates; Alexandria Louisiana
14. Meriter/UnityPoint Heathcare; Madison Wisconsin
15. University of Texas Health, San Antonio, Department of Otolaryngology; San Antonio Texas
16. HealthPartners Medical Group, Department of Otolaryngology Head and Neck Surgery; St. Paul Minnesota
17. Carolina Ear and Hearing Clinic, P.C., Department of Otology/ Neurotology; Raleigh North Carolina
18. George Washington University Medical Center, Division of Otolaryngology, Department of Surgery; Washington, DC
19. Sinus Center of the South; Ocean Springs Mississippi
20. Louisiana State University, School of Medicine, Department of Otolaryngology and Neurosurgery; New Orleans Louisiana
21. Depuy Synthes, Johnson & Johnson Medical Devices Companies; Raynham Massachusetts U.S.A.