[1] St Michaels Hosp, Li Ka Shing Knowledge Inst, Ctr Urban Hlth Solut, Upstream Lab, Toronto, ON, Canada
[2] St Michaels Hosp, Dept Family & Community Med, Toronto, ON, Canada
[3] Univ Toronto, Dept Family & Community Med, Fac Med, Toronto, ON, Canada
[4] Univ Toronto, Dalla Lana Sch Publ Hlth, Toronto, ON, Canada
[5] Univ Ottawa, Fac Med, Ottawa, ON, Canada
[6] Hlth Access Thorncliffe Pk, Toronto, ON, Canada
[7] Flemingdon Hlth Ctr, Toronto, ON, Canada
[8] Toronto East Hlth Network, Dept Family Med, Toronto, ON, Canada
[9] Toronto East Hlth Network, Dept Emergency Med, Toronto, ON, Canada