Affiliation: | 1.Centre for Clinical Epidemiology and Community Studies, Sir Mortimer B. Davis-Jewish General Hospital, 3755 Chemin de la Côte Ste Catherine, Montréal, Québec, Canada H3T 1E2;2.Department of Medicine, McGill University, Montréal, Québec, Canada H3G 1Y6;3.Joint Departments of Epidemiology and Biostatistics and of Occupational Health, McGill University, 1020 Pine Ave. West, Montréal, Québec, Canada H3A 1A2 |