1. Children’s Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada
2. Department of Psychology, University of Calgary, Calgary, Alberta, Canada
3. Department of Pediatrics, Alberta Children’s Hospital Research Institute, University of Calgary, Calgary, Alberta, Canada
4. Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada
5. Department of Emergency Medicine, New York University School of Medicine, New York
6. Department of Pediatrics, Hospital for Sick Children, Toronto, Ontario, Canada
7. Department of Pediatrics, Stollery Children’s Hospital, Edmonton, Alberta, Canada
8. Department of Pediatrics, Centre Hospitalier Universitaire Sainte-Justine, University of Montreal, Montreal, Quebec, Canada
9. Department of Pediatrics, Montreal Children’s Hospital, McGill University Health Center, Montreal, Quebec, Canada
10. Children’s National Health System, George Washington University School of Medicine, Rockville, Maryland
11. Department of Pediatrics, Children’s Hospital of Eastern Ontario, University of Ottawa, Ottawa, Ontario, Canada