1. Departments of Family Medicine and Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada
2. Public Health Agency of Canada (PHAC), Ottawa, Ontario, Canada
3. School of Psychology, University of Ottawa, Ottawa, Ontario, Canada
4. Yukon Health and Social Services, Whitehorse, Yukon, Canada
5. Saskatoon Health Region, Saskatoon, Saskatchewan, Canada