1. Departments of Community Health Sciences and Critical Care Medicine, O’Brien Institute for Public Health, and Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary , AB, Canada
2. Departments of Community Health Sciences, Critical Care Medicine, and Psychiatry, O’Brien Institute for Public Health, and Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary , AB, Canada
3. Division of Hematology/Oncology, Stollery Children’s Hospital, and Faculty of Medicine and Dentistry, University of Alberta , Edmonton, AB, Canada
4. Department of Cancer Epidemiology and Prevention Research, Cancer Care Alberta, Alberta Health Services , Calgary, AB, Canada
5. Department of Pediatrics, McMaster University, Hamilton, Ontario, Canada Division of Hematology-Oncology, McMaster Children’s Hospital , Hamilton, ON, Canada
6. Departments of Psychiatry and Community Health Sciences, O’Brien Institute for Public Health, and Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary , Calgary, AB, Canada
7. Department of Oncology, Cumming School of Medicine, University of Calgary , Calgary, AB, Canada
8. Department of Cancer Epidemiology and Prevention Research, Cancer Care Alberta, Alberta Health Services and Departments of Oncology and Community Health Sciences, Cumming School of Medicine, University of Calgary , AB, Canada