Affiliation: | a Research Centre of the University of Montreal Hospital Centre, 1301 rue Sherbrooke Est, Montréal, Québec, H2L 1M3, Canada b Institut national de santé publique du Québec, Montréal, Québec, Canada c Department of Social and Preventive Medicine, Université de Montréal, Montréal, Québec, Canada d Montréal Public Health Department, Régie régionale de Montréal-Centre, Québec, Canada |