[1] Univ Montreal, Dept Biomed Sci, Montreal, PQ, Canada
[2] Ctr Hosp Univ Montreal, Res Ctr, 850 St Denis St,St Antoine Tower,Off S01-135, Montreal, PQ H2X 0A9, Canada
[3] Univ Montreal, Dept Med, Montreal, PQ, Canada
[4] Inst Univ Geriatrie Montreal, Res Ctr, Montreal, PQ, Canada
[5] McGill Univ, Dept Sociol, Montreal, PQ, Canada
[6] McGill Univ, Dept Epidemiol Biostat & Occupat Hlth, Montreal, PQ, Canada
[7] McGill Univ, Dept Med, Div Geriatr, Montreal, PQ, Canada
[8] Univ Quebec Outaouais, Dept Nursing Sci, St Jerome, PQ, Canada
[9] McGill Univ, Dept Family Med, Montreal, PQ, Canada
[10] Bruyere Res Inst, Ottawa, ON, Canada
[11] Univ Laval, Dept Family & Emergency Med, Quebec City, PQ, Canada
[12] McGill Univ, Sir Mortimer B Davis Jewish Gen Hosp, Dept Med, Div Geriatr Med, Montreal, PQ, Canada
[13] McGill Univ, Lady Davis Inst Med Res, Montreal, PQ, Canada
[14] SE Hlth, SE Res Ctr, Markham, ON, Canada
[15] Little Bros Org, Montreal, PQ, Canada
[16] Univ Montreal, Sch Publ Hlth, Dept Hlth Management Evaluat & Policy, Montreal, PQ, Canada