1. Princess Margaret Cancer Research Institute, University of Toronto, Toronto, ON M5G 2M9, Canada
2. School of Public Health & Social Policy, University of Victoria, Victoria, BC V8P 5C2, Canada
3. School of Nursing, McMaster University, Hamilton, ON L8S 4L8, Canada
4. Northern Ontario School of Medicine, Sudbury, ON P3E 2C6, Canada
5. Medical Oncology Division, Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C4, Canada
6. Department of Medicine, University of Toronto, Toronto, ON M5S 1A1, Canada
7. Medical Oncology Division, Royal Victoria Hospital, Barrie, ON L4M 6M2, Canada