1. Department of Psychology; University of Calgary; Alberta Children's Hospital Research Institute; Calgary Alberta Canada
2. Department of Psychology; University of Guelph; Guelph Ontario Canada
3. Pediatric Chronic Pain Program; McMaster Children's Hospital; Hamilton Ontario Canada
4. Children's Health Research Institute; London Ontario Canada
5. Department of Paediatrics; Western University; London Ontario Canada
6. Department of Psychology; University of Calgary; Calgary Alberta Canada
7. Leslie Dan Faculty of Pharmacy; University of Toronto; The Hospital for Sick Children; Toronto Ontario Canada