| Affiliation: | 1. Radiation Medicine Program, Princess Margaret Cancer Centre, University of Toronto, Toronto, Ontario, Canada;2. Department of Biostatistics, University Health Network, Princess Margaret Cancer Centre, Toronto, Ontario, Canada;3. Department of Medical Oncology Princess Margaret Cancer Centre, University of Toronto, Toronto, Ontario, Canada;4. Department of Otolaryngology – Head and Neck Surgery/Surgical Oncology, Princess Margaret Cancer Centre, University of Toronto, Toronto, Ontario, Canada;5. Department of Pathology, University Health Network, Toronto, Ontario, Canada |
