1. Division of Rhinology and Sinus/Skull Base Surgery, Oregon Sinus Center, Department of Otolaryngology-Head and Neck Surgery; Oregon Health and Science University; Portland OR
2. Department of Surgery, Division of Otolaryngology-Head and Neck Surgery; University of California San Diego; San Diego CA
3. Department of Otolaryngology-Head and Neck Surgery; University of California Davis; Sacramento CA