1. Department of Radiation Oncology, Odette Cancer Centre, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
2. Canadian Clinical Trials Group, Cancer Research Institute, Queen's University, Kingston, Ontario, Canada
3. Department of Radiation Oncology, Queen's University, Kingston, Ontario, Canada
4. Juravinski Hospital and Cancer Centre, Department of Oncology, McMaster University, Hamilton, Ontario, Canada
5. Department of Radiation Oncology, Centre Hospitalier Universitaire de Sherbrooke, Sherbrooke, Québec, Canada
6. Department of Radiation Oncology, Hopital Maisonneuve-Rosemont, Montreal, Québec, Canada
7. Department of Radiation Oncology, CHUM-Hopital Notre-Dame, Montreal, Québec, Canada
8. CancerCare Manitoba, Winnipeg, Manitoba, Canada
9. Grand River Regional Cancer Centre, Grand River Hospital, Kitchener, Ontario, Canada
10. London Regional Cancer Program, London, Ontario, Canada
11. Cancer Centre of Southeastern Ontario, Kingston General Hospital, Kingston, Ontario, Canada
12. Cross Cancer Institute, Edmonton, Alberta, Canada
13. Tom Baker Cancer Centre, University of Calgary, Calgary, Alberta, Canada
14. Department of Radiation Oncology, The Ottawa Hospital and University of Ottawa, Ottawa, Ontario, Canada
15. Department of Pharmacy, Odette Cancer Centre, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
16. Princess Margaret Cancer Centre, Radiation Medicine Program, Ontario Cancer Institute, University of Toronto, Toronto, Ontario, Canada