1. Department of Anaesthesia and Pain Management, Toronto General Hospital, Toronto, Ontario, Canada
2. Transitional Pain Service, Department of Anaesthesia and Pain Management, Toronto General Hospital, Toronto, Ontario, Canada
3. Department of Anesthesiology and Pain Medicine, University of Toronto, Toronto, Ontario, Canada
4. University of Toronto Centre for the Study of Pain, University of Toronto, Toronto, Ontario, Canada
5. The Hospital for Sick Children Toronto, Toronto, Ontario, Canada
6. Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada
7. Department of Physiology and Pharmacology, Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada
8. Department of Pharmacology, Dalhousie University, Halifax, Nova Scotia, Canada
9. Department of Anaesthesia, Pain Management, and Perioperative Medicine, Dalhousie University, Halifax, Nova Scotia, Canada