1. Division of Rhinology and Sinus Surgery, Department of Otolaryngology–Head and Neck Surgery University of Virginia Charlottesville Virginia USA
2. Division of Rhinology, Department of Otolaryngology–Head and Neck Surgery Washington University School of Medicine St. Louis Missouri USA
3. Division of Rhinology and Skull Base Surgery, Department of Otolaryngology–Head and Neck Surgery University of South Florida Tampa Florida USA
4. Division of Rhinology and Skull Base Surgery, Department of Otolaryngology–Head and Neck Surgery Columbia University New York New York USA
5. Division of Rhinology and Sinus Surgery, Department of Otolaryngology–Head and Neck Surgery Medical University of South Carolina Charleston South Carolina USA