[1] University of Toronto,Department of Otolaryngology
[2] University of Toronto,Head and Neck Surgery
[3] ICES,Insitute of Health Policy, Management and Evaluation, Dalla Lana School of Public Health
[4] Sunnybrook Health Sciences Centre,Evaluative Clinical Sciences, Sunnybrook Research Institute
[5] Sunnybrook Health Sciences Centre,Department of Surgical Oncology, Odette Cancer Centre
[6] University of Toronto,Department of Radiation Oncology, Sunnybrook Health Sciences Centre
[7] University of Toronto,Department of Medical Oncology, Sunnybrook Health Sciences Centre
[8] University of Toronto,Department of Otolaryngology