1. Division of Pediatric Emergency Medicine Department of Pediatrics Hospital for Sick Children and University of Toronto Toronto OntarioCanada
2. Department of Emergency Medicine and Division of Learning Analytics at the NYU School of Medicine New York NY
3. Division of Emergency Medicine CHU Sainte‐Justine and Université de Montréal Montreal QuebecCanada
4. Division of Pediatric Emergency Medicine Department of Pediatrics Stollery Children's Hospital and University of Alberta Edmonton AlbertaCanada
5. Department of Diagnostic Imaging Hospital for Sick Children and University of Toronto Toronto Ontario Canada