1. Department of Otolaryngology - Head and Neck Surgery; University of Toronto; Toronto Ontario Canada
2. Department of Otolaryngology - Head and Neck Surgery; Department of Surgical Oncology, Princess Margaret Cancer Centre, University Health Network Toronto; Ontario Canada
3. Department of Otolaryngology - Head and Neck Surgery; Mt Sinai Hospital, University of Toronto; Toronto Ontario Canada
4. Department of Radiation Oncology; Princess Margaret Cancer Center, University Health Network, University of Toronto; Toronto Ontario Canada
5. Division of General Surgery; Department of General Surgery and Surgical Oncology; University of Toronto; Toronto Ontario Canada