1. Division of Medical Oncology and Hematology; Department of Medicine; Princess Margaret Cancer Centre/University Health Network and University of Toronto; Toronto Ontario Canada
2. Ontario Cancer Institute; Toronto Ontario Canada
3. Department of Medicine; University Health Network; Toronto Ontario Canada
4. Department of Biostatistics; Princess Margaret Cancer Centre/University Health Network and University of Toronto; Toronto Ontario Canada
5. Department of Radiation Oncology; Princess Margaret Cancer Centre; Toronto Ontario Canada
6. Department of Otolaryngology-Head and Neck Surgery; University of Toronto, University Health Network; Toronto Ontario Canada
7. Dalla Lana School of Public Health, University of Toronto; Toronto Ontario Canada
8. Centre for Addiction and Mental Health; University of Toronto; Toronto Ontario Canada
9. Department of Family and Community Medicine; University of Toronto; Toronto Ontario Canada
10. Department of Psychiatry; University of Toronto; Toronto Ontario Canada