1. Department of Psychology University of Guelph Guelph Ontario Canada
2. Department of Psychology York University Toronto Ontario Canada
3. Department of Psychiatry Research The Hospital for Sick Children Toronto Ontario Canada
4. Department of Psychiatry University of Toronto Toronto Ontario Canada
5. Pediatric Chronic Pain Program McMaster Children's Hospital Hamilton Ontario Canada
6. Department of Paediatrics, Schulich School of Medicine & Dentistry Western University London Ontario Canada
7. Department of Anesthesia McMaster University Hamilton Ontario Canada