1. Department of Otolaryngology, Emory University School of Medicine, Atlanta, Georgia, USA
2. Sacramento Ear Nose and Throat Medical and Surgical Group, Roseville, California, USA
3. Madison ENT & Facial Plastic Surgery, New York, New York, USA
4. The Ogden Clinic, Ogden, Utah, USA
5. ENT and Allergy Associates of Florida, Plantation, Florida, USA
6. Department of Otolaryngology–Head & Neck Surgery, Houston Methodist Hospital, Houston, Texas, USA