1. Clinical Outcomes Research Office, Department of Otolaryngology–Head & Neck Surgery, Washington University School of Medicine in St Louis, St Louis, Missouri
2. Medical College of Georgia, Augusta University, Augusta
3. Washington University School of Medicine in St Louis, St Louis, Missouri
4. New York Medical College, Valhalla, New York
5. Division of Rhinology, Department of Otolaryngology–Head & Neck Surgery, Washington University School of Medicine in St Louis, St Louis, Missouri