| Affiliation: | aPediatric Research in Emergency Therapeutics (PRETx) Program, Division of Pediatric Emergency Medicine, BC Children's Hospital, Department of Pediatrics, University of British Columbia, and Child & Family Research Institute, Vancouver, British Columbia, Canada;bDivision of Pediatric Emergency Medicine, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada;cPopulation Health Sciences, Research Institute, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada;dDivision of General Surgery, Department of Surgery, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada. |
