1. Division of Rhinology and Sinus/Skull Base Surgery, Department of Otolaryngology–Head and Neck Surgery Oregon Health & Science University Portland OR
2. Division of Rhinology and Sinus Surgery, Department of Otolaryngology–Head and Neck Surgery Medical University of South Carolina Charleston SC
3. Department of Surgery Ralph H. Johnson VA Medical Center Charleston SC
4. Division of Rhinology and Sinus Surgery, Department of Otolaryngology–Head and Neck Surgery University of Virginia Charlottesville VA
5. Department of Otolaryngology, Head and Neck Surgery University of Colorado‐Anschutz Medical Campus Aurora CO
6. Division of Otolaryngology–Head and Neck Surgery, Department of Surgery University of Utah Salt Lake City UT
7. Division of Pulmonary, Critical Care & Sleep Medicine University of Florida Gainesville FL