1. Department of Kinesiology and Physical Education and Wilfrid Laurier University, Waterloo, Ontario, Canada.
2. Department of Health Sciences, Wilfrid Laurier University, Waterloo, Ontario, Canada.
3. Department of Oncology, University of Calgary, Calgary, Alberta, Canada.
4. Department of Family Medicine, Dalhousie University, Halifax, Nova Scotia, Canada.
5. School of Population and Public Health, University of British Columbia, Vancouver, British Columbia, Canada.
6. Center for Health Services and Policy Research, University of British Columbia, Vancouver, British Columbia, Canada.
7. Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada.
8. Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada.
9. Department of Oncology, McMaster University, Hamilton, Ontario, Canada.