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