1. Department of Environmental and Occupational Health, School of Public Health, University of Montreal, chemin de la Côte Ste-Catherine, Montréal, Québec, Canada
2. University of Montreal hospital research center, Montréal, Québec, H2X, Canada
3. Division of clinical epidemiology, McGill University Health Centre, Montreal, Québec, Canada
4. GCG Health Safety Hygiene, Hendra, QLD , Australia
5. School of Population & Public Health, University of British Columbia, Vancouver, British Columbia, Canada
6. Institut de recherche Robert-Sauvé en santé et en sécurité du travail, De Maisonneuve Ouest, Montréal, Québec H3A3C2, Canada
7. Institut National de Recherche et de Sécurité pour la prévention des accidents du travail et des maladies professionnelles (INRS), Paris, France
8. Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada