1. Department of Epidemiology, Biostatistics and Occupational Health McGill University Montreal QC Canada
2. Direction de la santé publique du CIUSS du Centre‐Sud‐de‐l’Île‐de‐Montréal, Quebec Montreal QC Canada
3. Department of Economics McGill University Montreal QC Canada
4. Department of Epidemiology Graduate School of Public Health University of Pittsburgh Pittsburgh PA
5. Department of Pediatrics Montreal Children's Hospital McGill University Health Center Montreal QC Canada