1. Centre for Health Evaluation & Outcome Sciences, University of British Columbia, Canada
2. Department of Emergency Medicine, University of British Columbia, Canada
3. British Columbia Emergency Health Services, British Columbia, Canada
4. Faculty of Medicine, Clinical Epidemiology, Memorial University of Newfoundland, Canada
5. Department of Pediatrics, University of British Columbia, Canada
6. School of Population and Public Health, University of British Columbia, Canada
7. Dalla Lana School of Public Health, University of Toronto, Toronto, Canada
8. Ontario Occupational Cancer Research Centre, Ontario, Canada
9. Department of Pathology and Laboratory Medicine, University of British Columbia, Canada
10. Public Health Laboratory, British Columbia Centre for Disease Control, British Columbia, Canada
11. Canadian, Blood Services Canada
12. Laboratory Medicine and Pathology, University of Alberta, Alberta, Canadaand
13. Li Ka Shing Knowledge Institute and Division of Emergency Medicine, Department of Family and Community Medicine, University of Toronto, Ontario, Canada