1. Health Canada, Office of Environmental Health, Healthy Environments and Consumer Safety Branch, Environmental and Radiation Health Science Directorate, Ottawa, ON K1A 0K9, Canada
2. CAREX Canada, School of Population and Public Health, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
3. Department of Geography and Planning, University of Toronto, Toronto, ON M5S 3G3, Canada
4. Department of Geography and Environmental Studies, Toronto Metropolitan University, Toronto, ON M5B 2K3, Canada
5. Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada
6. Prevention, Screening and Hereditary Cancer, BC Cancer, Vancouver, BC V5Z 4E6, Canada
7. Population and Public Health, British Columbia Centre for Disease Control, Vancouver, BC V5Z 4R4, Canada