[1] Univ Toronto, Dept Med, Div Emergency Med, Toronto, ON, Canada
[2] Univ Toronto, Dalla Lana Sch Publ Hlth, Toronto, ON, Canada
[3] St Michaels Hosp, Ctr Res Inner City Hlth, Toronto, ON, Canada
[4] St Michaels Hosp, Well Living House, Toronto, ON, Canada
[5] St Michaels Hosp, Dept Family & Community Med, Toronto, ON, Canada
[6] St Michaels Hosp, Li Ka Shing Knowledge Inst, Toronto, ON, Canada
[7] St Michaels Hosp, Dept Emergency Med, 30 Bond St, Toronto, ON M5B 1W8, Canada