1. Charles-Bruneau Cancer Care Centre, Sainte-Justine University Health Centre, Montréal, QC H3T 1C5, Canada
2. Department of Psychology, The Hospital for Sick Children, Toronto, ON M5G 1E8, Canada
3. Department of Pediatrics, University of Montréal, Montréal, QC H3T 1J4, Canada
4. Margaret and Wallace McCain Centre for Child, Youth & Family Mental Health, Azrieli Adult Neurodevelopmental Centre, and Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON M4V 1N6, Canada
5. Department of Psychiatry, Autism Research Unit, The Hospital for Sick Children, Toronto, ON M5G 1E8, Canada
6. Department of Psychiatry, Faculty of Medicine, University of Toronto, Toronto, ON M5T 1R8, Canada
7. Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON M5G 1E8, Canada