1. Division of Pediatric Hematology Oncology Department of Pediatrics IWK Health Centre Halifax Nova Scotia Canada
2. Division of Orthopaedics IWK Health Centre Halifax Nova Scotia Canada
3. Division of Pediatric Hematology/Oncology/Bone Marrow Transplant Department of Pediatrics University of Colorado School of Medicine Aurora Colorado
4. Department of Anesthesiology IWK Health Centre Halifax Nova Scotia Canada