1. Clinical Outcomes Research Office, Department of Otolaryngology–Head and Neck Surgery, Washington University School of Medicine in St Louis, St Louis, Missouri
2. University of Missouri–Kansas City School of Medicine, Kansas City
3. Department of Otolaryngology–Head and Neck Surgery, Washington University School of Medicine in St Louis, St Louis, Missouri
4. Division of Pulmonary & Critical Care Medicine, Department of Medicine, Washington University School of Medicine in St Louis, St Louis, Missouri
5. Washington University Hereditary Hemorrhagic Telangiectasia Center of Excellence, St Louis, Missouri