1. Department of Psychology University of Calgary Calgary Alberta Canada
2. Department of Radiology University of Calgary Calgary Alberta Canada
3. Department of Neurology University of Utah Salt Lake City Utah USA
4. Department of Psychology University of Montreal & CHU Sainte‐Justine Hospital Research Center Montreal Quebec Canada
5. University of Alberta and Stollery Children's Hospital Edmonton Alberta Canada
6. Pediatric Emergency Medicine University of British Columbia Vancouver British Columbia Canada
7. Department of Emergency Medicine, Cumming School of Medicine University of Calgary Calgary Alberta Canada
8. Department of Pediatrics and Emergency Medicine University of Ottawa, Children's Hospital of Eastern Ontario Research Institute Ottawa Ontario Canada