1. Department of Hematology-Oncology, CHU Sainte-Justine, Montréal, QC, Canada
2. Department of Psychology, Université de Montréal, Montréal, QC, Canada
3. Department of Anesthesiology and Pain Medecine, Université de Montréal, Montréal, QC, Canada
4. Research Center, Maisonneuve-Rosemont Hospital, Montréal, QC, Canada
5. Department of Pediatrics, Université de Montréal, Montréal, QC, Canada