1. Received April 6, 2021 from Emergency Medical Services, Emergency, Critical Care, Alberta Health Services, Alberta, Canada (IEB, DN, SD, ESL, CJD); Cumming School of Medicine - Community Health Sciences, Critical Care, Emergency, and Pediatrics; Faculty of Kinesiology, Sports Injury Prevention Research Centre, University of Calgary, Alberta Children’s Hospital Research Institute and O’Brien Institute for Public Health, Calgary, Alberta, Canada (IEB, TSW, PR, BH, DN, SD, ESL, CJD); Emergency Medicine,...