1. Michael Cuccione Childhood Cancer Research Program, British Columbia Children’s Hospital/University of British Columbia, Vancouver, BC, Canada;
2. Blood and Marrow Transplant Program, University of Minnesota, Minneapolis, MN;
3. Centre de Recherche du Centre Hospitalier de l’Université de Montréal, Hôpital Notre-Dame, University of Montreal, Montreal, QC, Canada;
4. Fred Hutchinson Cancer Research Center and the University of Washington, Seattle, WA;
5. Department of Internal Medicine III, University Hospital Regensburg, Regensburg, Germany;
6. University of Calgary, Calgary, AB, Canada;
7. King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia;
8. Dana-Farber Cancer Institute, Boston, MA;
9. Centre Hospitalier Universitaire de Quebec, Hopital Enfant-Jesus, Quebec City, QC, Canada;
10. Princess Margaret Cancer Centre, Toronto, ON, Canada;
11. Leukemia/Bone Marrow Transplant Program of British Columbia, Vancouver General Hospital, British Columbia Cancer Agency and University of British Columbia, Vancouver, BC, Canada;
12. Center for Hematologic Malignancies, Knight Cancer Institute, Oregon Health & Science University, Portland, OR;
13. H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL;
14. McGill University Health Center, Montreal, QC, Canada;
15. CancerCare Manitoba, Winnipeg, MB, Canada;
16. Ottawa Hospital Research Institute, Ottawa, ON, Canada;
17. Hamilton Health Sciences and McMaster University, Hamilton, ON, Canada; and
18. Queen Elizabeth II Health Science Centre, Halifax, NS, Canada