[1] Univ Montreal, Hop Ste Justine, Montreal, PQ H3C 3J7, Canada
[2] Jewish Gen Hosp, Div Cardiol & Clin Epidemiol, Quebec City, PQ, Canada
[3] McGill Univ, Dept Microbiol & Immunol, Montreal, PQ H3A 2T5, Canada
[4] McGill Univ, Dept Epidemiol Biostat & Occupant Hlth, Montreal, PQ H3A 2T5, Canada
[5] McGill Univ, Montreal, PQ H3A 2T5, Canada
[6] Agncy Sante Serv Soc, Direc Sante Publ, Quebec City, PQ, Canada
[7] CHU Montreal, Ctr Rech, Quebec City, PQ, Canada
[8] McGill Univ, Dept Psychol, Montreal, PQ H3A 2T5, Canada
[9] McGill Univ Hlth Ctr, Div Clin Epidemiol, Montreal, PQ H3A 2T5, Canada
[10] CHU Montreal, Montreal, PQ, Canada
[11] Inst Natl Sante Publ, Quebec City, PQ, Canada