1. Population Health Department, Interdisciplinary School of Health Sciences, University of Ottawa, Ottawa, Ontario, Canada.
2. Healthy Active Living and Obesity Research Group, Children's Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada.
3. École des hautes études publique, Université de Moncton, Moncton, New-Brunswick, Canada.
4. School of Epidemiology and Public Health, University of Ottawa, Ottawa, Ontario, Canada.