1. Division of Hematology/Oncology, CHU de Québec – Centre Mère-Enfant Soleil, Quebec City, Canada
2. Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Canada
3. ICES, Toronto, Canada
4. Centre for Health Services Research, University of Queensland, Woolloongabba, Australia
5. Division of Haematology/Oncology, The Hospital for Sick Children, Toronto, Canada
6. Program in Child Health Evaluative Sciences, The Hospital for Sick Children, Peter Gilgan Centre for Research and Learning, Toronto, Canada