1. Department of Otolaryngology – Head & Neck Surgery, Michael Garron Hospital and Sunnybrook Health Sciences Centre University of Toronto Toronto Ontario Canada
2. ICES Toronto Ontario Canada
3. Institute of Health Policy, Management and Evaluation (IHPME) University of Toronto Toronto Ontario Canada
4. Cancer Care and Epidemiology Queen's University Kingston Ontario Canada
5. Section of Endocrine Surgery, Division of General Surgery, Department of Surgery, University Health Network University of Toronto Toronto Ontario Canada
6. Women's College Hospital and Departments of Surgery, Women's College Research Institute University of Toronto Toronto Ontario Canada
7. Department of Otolaryngology ‐ Head & Neck Surgery/Surgical Oncology University of Toronto, Princess Margaret Cancer Centre Toronto Ontario Canada