1. ENT and Allergy Associates and department of Otolaryngology Zucker School of Medicine Hofstra University New York New York USA
2. ENT Associates of Texas Plano Texas USA
3. Central California Ear, Nose, and Throat Fresno California USA
4. Piedmont Ear Nose and Throat Associates Winston‐Salem North Carolina USA
5. Colorado ENT and Allergy Colorado Springs Colorado USA