[1] Univ British Columbia, Dept Emergency Med, 2775 Laurel St, Vancouver, BC V5Z 1M9, Canada
[2] Ctr Hlth Evaluat Outcome Sci, 1081 Burrard St, Vancouver, BC V6Z 1Y6, Canada
[3] Univ British Columbia, Dept Occupat Sci & Occupat Therapy, Vancouver, BC, Canada
[4] Univ British Columbia, Dept Psychiat, Vancouver, BC, Canada
[5] BC Mental Hlth & Subst Use Serv Res Inst, Vancouver, BC, Canada