1. University of Montreal Hospital Research Centre, Quebec, Canada (N.A., B.J.P., M.B.-B.).
2. Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, Quebec, Canada (N.A., G.P.).
3. Institut national de santé publique du Québec, Montreal, Canada (N.A., M.B.-B., G.P.).
4. Division of Cardiology, Department of Medicine, University of Montreal Hospital Centre, Quebec,Canada (B.J.P.).