1. Department of Health Sciences, University of Lethbridge, Lethbridge, Alberta, Canada
2. Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
3. Department of Community Health and Epidemiology, University of Saskatchewan, Saskatchewan, Canada
4. Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada
5. Peter Lougheed Center, Alberta Health Services, Calgary, Alberta, Canada
6. School of Public Health, University of Alberta, Edmonton, Alberta, Canada
7. Provincial Population and Public Health, Alberta Health Services, Calgary, Canada