| Affiliation: | 1. Endoscopic Sinus and Skull Base Surgery, Division of Otolaryngology–Head and Neck Surgery, Department of Surgery, University of Calgary, , Calgary, Alberta, Canada;2. Division of Rhinology and Sinus Surgery, Department of Otolaryngology–Head and Neck Surgery, Medical University of South Carolina, , Charleston, SC;3. Rhinology and Sinus Surgery, Applied Medical Research Center St Vincents Hospital, University of New South Wales and Macquarie University, , Sydney, Australia;4. Department of Otolaryngology–Head and Neck Surgery, Loyola University Medical Center, , Maywood, IL;5. Professional Unit, Royal National Throat Nose and Ear Hospital, , London, UK;6. Division of Rhinology and Sinus Surgery, Department of Otolaryngology–Head and Neck Surgery, Oregon Health and Science University, , Portland, OR |
