1. McLaughlin Centre for Population Health Risk Assessment, Faculty of Medicine, University of Ottawa, ON, Canada
2. Risk Sciences International, Ottawa, ON, Canada
3. Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, ON, Canada
4. Department of Environmental Health Sciences, Fielding School of Public Health, UCLA, Los Angeles, CA, USA
5. School of Epidemiology and Public Health, University of Ottawa, ON, Canada