1. Divisions of Rhinology and Endoscopic Sinus-Skull Base Surgery and Allergy; Eastern Virginia Medical School; Norfolk VA
2. Advanced ENT and Allergy; Louisville KY
3. Department of Otolaryngology-Head and Neck Surgery; Oregon Health Sciences University; Portland OR
4. Department of Otolaryngology-Head and Neck Surgery; Feinberg School of Medicine; Northwestern University; Chicago IL
5. South Florida ENT Associates, PA; Miami FL
6. Intermountain ENT; Salt Lake City UT
7. Sacramento ENT; Roseville CA
8. Department of Otolaryngology; Medical College of Wisconsin; Milwaukee WI
9. Ohio Sinus Institute; Department of Otolaryngology; Ohio State University; Dublin OH
10. Collin County Ear Nose and Throat; Frisco TX
11. Intersect ENT; Menlo Park CA