1. William Beaumont School of Medicine, Oakland University, Detroit, MI, USA
2. Cedars Sinai Sinus Center of Excellence, Los Angeles, CA, USA
3. California Northstate University College of Medicine, Elk Grove, CA, USA
4. Cedars-Sinai Division of Otolaryngology, Los Angeles, CA, USA
5. Shawn S. Nasseri, MD, Inc, Beverly Hills, CA, USA