1 Department 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 Department 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.