[1] Alberta Children’s Hospital,Sections of Pediatric Emergency Medicine and Gastroenterology, Departments of Pediatrics and Emergency Medicine
[2] Alberta Children’s Hospital Research Institute,Alberta Children’s Hospital, Cumming School of Medicine
[3] Cumming School of Medicine,The Hospital for Sick Children, Division of Biostatistics
[4] University of Calgary,Department of Statistical Science
[5] University of Calgary,The Hospital for Sick Children, Institute for Health Policy Management and Evaluation
[6] Dalla Lana School of Public Health,Departments of Pediatric Emergency Medicine and Pediatrics
[7] University of Toronto,Children’s Hospital of Eastern Ontario, Departments of Pediatric and Emergency Medicine
[8] University College London,Stollery Children’s Hospital, Department of Pediatrics
[9] University of Toronto,Max Rady College of Medicine, Pediatrics and Child Health, Rady Faculty of Health Sciences
[10] Institute of Health Economics,Division of Paediatric Emergency Medicine, Department of Paediatrics, Children’s Hospital LHSC
[11] CHU Sainte-Justine,Institute of Health Economics and the Department of Emergency Medicine
[12] Université de Montréal,Divisions of Emergency Medicine and Clinical Pharmacology and Toxicology, Department of Paediatrics
[13] University of Ottawa,undefined
[14] University of Alberta,undefined
[15] Women and Children’s Health Research Institute,undefined
[16] University of Manitoba,undefined
[17] and the Children’s Hospital Research Institute of Manitoba,undefined
[18] Western University,undefined
[19] University of Alberta,undefined
[20] Hospital for Sick Children,undefined
[21] University of Toronto,undefined