1. Departments of Pediatrics and Bioethics, Dalhousie University and IWK Health Centre, Halifax, Nova Scotia, Canada.
2. Department of Oncology, McMaster University, Juravinski Hospital and Cancer Centre, Hamilton, Ontario, Canada.
3. Departments of Radiation Oncology and Pediatrics, McGill University Health Centre, Montreal, Québec, Canada.
4. Ontario Institute for Cancer Research and Department of Family and Community Medicine, University of Toronto, Toronto, Ontario, Canada.
5. Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, Ontario, Canada.
6. Chronic Disease Surveillance Division, Public Health Agency of Canada, Ottawa, Ontario, Canada.
7. Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada.
8. Department of Medical Oncology and Hematology, CancerCare Manitoba and University of Manitoba, Winnipeg, Manitoba, Canada.