1. 1Department of Anesthesia, McGill University, Montreal, Canada; Division of Pediatric Anesthesia, and Edwards Family Interdisciplinary Center for Complex Pain, Montreal Children’s Hospital, and Research Institute, McGill University Health Center, Montreal, Canada.
2. 2Department of Anaesthesia and Pain Management, Royal Children’s Hospital, Melbourne, Australia; Department of Paediatrics, Melbourne Medical School, University of Melbourne, Melbourne, Australia; Murdoch Children’s Research Institute, Melbourne, Australia; Melbourne Children’s Trial Centre, Melbourne, Australia.