1. Hematology-Oncology Department, Sainte-Justine University Hospital Center, Montreal, Canada
2. Psycho-Oncology Center (CPO), Sainte-Justine University Hospital Research Center, Montreal, Canada
3. Department of Pediatrics, Université de Montréal, Montreal, Canada
4. Department of Psychology, Université de Montréal, Montreal, Canada
5. Leucan – The Association for children with cancer, Montréal, Canada
6. Department of Experimental Psychology, University of Oxford, Oxford, United Kingdom