1. Department of Psychology, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, Canada;
2. Department of Psychology, Division of Hematology/Oncology, Alberta Children’s Hospital, Calgary, Canada;
3. Department of Psychology, Division of Hematology/Oncology, BC Children’s Hospital, Vancouver, Canada;
4. Department of Psychology, Division of Hematology/Oncology, London Health Sciences Centre, London, Canada;
5. Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, Canada