1. Department of Psychology and Neuroscience, Dalhousie University , Halifax, Nova Scotia, Canada
2. Centre for Pediatric Pain Research, IWK Health Centre , Halifax, Nova Scotia, Canada
3. Department of Pediatrics, Dalhousie University , Halifax, Nova Scotia, Canada
4. Department of Psychology, University of Guelph , Guelph, Ontario, Canada
5. Pediatric Chronic Pain Program, McMaster Children’s Hospital , Hamilton, Ontario, Canada
6. Department of Paediatrics, Western University , London, Ontario, Canada