[1] Univ British Columbia, Sch Populat & Publ Hlth, 2206 E Mall, Vancouver, BC V6T 1Z8, Canada
[2] British Columbia Ctr Dis Control, 655 W 12th Ave, Vancouver, BC V5Z 4R4, Canada
[3] Univ British Columbia, Occupat Sci & Occupat Therapy, T325 2211 Wesbrook Mall, Vancouver, BC V6T 2A1, Canada
[4] Providence Hlth Care Res Inst, 10th Floor 1190 Hornby St, Vancouver, BC V6Z 2K5, Canada
[5] St Pauls Hosp, Ctr Hlth Evaluat & Outcome Sci, 588 1081 Burrard St, Vancouver, BC V6Z 1Y6, Canada
[6] Simon Fraser Univ, Sch Criminol, 8888 Univ Dr, Burnaby, BC V5A 1S6, Canada
[7] Simon Fraser Univ, Ctr Appl Res Mental Hlth & Addict, 2400 515 W Hastings St, Vancouver, BC V6B 5K3, Canada
[8] Univ British Columbia, Dept Psychiat, 2255 Wesbrook Mall, Vancouver, BC V6T 1Z3, Canada
[9] Univ Victoria, Canadian Inst Subst Use Res, STN CSC, Box 1700, Victoria, BC, Canada