1. Departments of Anesthesia and Pain Medicine, University of Toronto, Toronto, Canada
2. Child Health Evaluative Sciences, The Hospital for Sick Children, University of Toronto, Toronto, Canada
3. Lawrence S Bloomberg Faculty of Nursing, University of Toronto, Toronto, Canada
4. Medical Sciences Graduate Program, McMaster University, Canada
5. School of Rehabilitation Sciences, McMaster University, Hamilton, Canada
6. Department of Anaesthesia, University of Toronto, Toronto, Canada
7. Wasser Pain Management Centre, Mount Sinai Hospital, Toronto, Canada
8. Department of Anesthesia, Michael G DeGroote School of Medicine, Canada
9. Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, Ontario, Canada