[1] Queens Univ, Dept Family Med, 220 Bagot St, Kingston, ON K7L 5E9, Canada
[2] Queens Univ, Sch Rehabil Therapy, 31 George St, Kingston, ON K7L 3N6, Canada
[3] Univ Montreal, Publ Hlth Res Inst IRSPUM, Dept Social & Prevent Med, Montreal, PQ, Canada
[4] Queens Univ, Publ Hlth Sci, 62 Fifth Field Co Lane, Kingston, ON K7L 3N6, Canada