1. Division of Rhinology, Department of Otolaryngology, Head & Neck Surgery University of Toronto Toronto ON Canada
2. Division of Otolaryngology–Head and Neck Surgery Trillium Health Partners Mississauga ON Canada
3. Department of Otolaryngology–Head and Neck Surgery Sinai Health Systems Toronto ON Canada
4. Department of Otolaryngology–Head and Neck Surgery St. Michael's Hospital Toronto ON Canada