[1] Univ Montreal, Sch Publ Hlth, Dept Hlth Management Evaluat & Policy, 850 St Denis, Montreal, PQ H2X 0A9, Canada
[2] Ctr Hosp Univ Montreal, Res Ctr, 900 St Denis St, Montreal, PQ H2X 0A9, Canada
[3] Univ Montreal, Dept Med, Pavillon Roger Gaudry,2900 Edouard Montpetit Blvd, Montreal, PQ H3T 1J4, Canada
[4] Univ Quebec Outaouais, Dept Nursing Res, 5 Rue St Joseph, St Jerome, PQ J7Z 0B7, Canada
[5] McGill Univ, Dept Family Med, 5858 Ch Cote Neiges, Montreal, PQ H3S 1Z1, Canada
[6] McGill Univ, McGill Coll 2001, Dept Epidemiol Biostat & Occupat Hlth, Suite 1200, Montreal, PQ H3A 1G1, Canada
[7] McGill Univ, Dept Sociol, Leacock Bldg,855 Sherbrooke St West, Montreal, PQ H3A 2T7, Canada
[8] McGill Univ, Montreal Gen Hosp, Div Geriatr Med, Hlth Ctr, 1650 Cedar Ave, Montreal, PQ H3G 1A4, Canada
[9] Univ Ottawa, Interdisciplinary Sch Hlth Sci, Thompson Hall,25 Univ Private, Ottawa, ON K1N 6N5, Canada
[10] SE Hlth, SE Res Ctr, 90 Allstate Pkwy, Markham, ON L3R 6H3, Canada