1. Department of Psychology, The University of Calgary and Alberta Children’s Hospital Research Institute , Calgary, AB, Canada
2. Department of Psychology and Neuroscience , Dalhousie University, Halifax, NS, Canada
3. Centre for Pediatric Pain Research, IWK Health Centre ; Halifax, NS, Canada
4. Department of Pediatrics, Dalhousie University ; IWK Health Centre, Halifax, NS, Canada
5. Department of Psychology, University of Guelph , Guelph, ON, Canada
6. Departments of Psychiatry and Community Health and Epidemiology, Dalhousie University , Halifax, NS, Canada
7. Faculty of Medicine, Centre for Research in Family Health, IWK Health Centre , Halifax, NS, Canada
8. Department of Surgery, University of Calgary , Calgary, AB, Canada
9. Departments of Clinical Health Psychology and Pediatrics and Child Health, University of Manitoba , Winnipeg, MB, Canada