1 Department of Otolaryngology - Head and Neck Surgery, University of Toronto, Toronto, ON, Canada.
2 University of Toronto, Faculty of Medicine, Toronto, ON, Canada.
3 Institute of Health Policy, Management and Evaluation, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada.
4 ICES, Toronto, ON, Canada.
5 Evaluative Clinical Sciences, Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, ON, Canada.
6 Department of Surgical Oncology, Odette Cancer Centre, Sunnybrook Health Sciences Centre, Toronto, ON, Canada.
7 Department of Radiation Oncology, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada.
8 Department of Medical Oncology, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada.
9 Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada.
10 Department of Otolaryngology - Head and Neck Surgery, University of Toronto, Toronto, ON, Canada. antoine.eskander@mail.utoronto.ca.
11 Institute of Health Policy, Management and Evaluation, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada. antoine.eskander@mail.utoronto.ca.
12 ICES, Toronto, ON, Canada. antoine.eskander@mail.utoronto.ca.
13 Evaluative Clinical Sciences, Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, ON, Canada. antoine.eskander@mail.utoronto.ca.
14 Department of Surgical Oncology, Odette Cancer Centre, Sunnybrook Health Sciences Centre, Toronto, ON, Canada. antoine.eskander@mail.utoronto.ca.
15 Michael Garron Hospital, Department of Otolaryngology-Head and Neck Surgery, University of Toronto, Toronto, ON, Canada. antoine.eskander@mail.utoronto.ca.