[1] Inst Mental Hlth Policy Res, Ctr Addict & Mental Hlth CAMH, 2035-33 Ursula Franklin St, Toronto, ON M5S 2S1, Canada
[2] Drug Users Advocacy League DUAL, 216 Murray St, Ottawa, ON K1N 5S6, Canada
[3] Univ Toronto, Dalla Lana Sch Publ Hlth, 155 Coll St, Toronto, ON M5T 3M7, Canada
[4] Western Univ, Schulich Sch Med & Dent, Dept Epidemiol & Biostat, 1151 Richmond St, Richmond, ON M6A 5C1, Canada
[5] Ctr Addict & Mental Hlth CAMH, Campbell Family Mental Hlth Res Inst, 250 Coll St, Toronto, ON M5T 1R8, Canada
[6] Lakehead Univ, Dept Hlth Sci, 955 Oliver Rd, Thunder Bay, ON P7B 5E1, Canada
[7] Univ Toronto, Dept Psychiat, 1 Kings Coll Circle, Toronto, ON M5S 1A8, Canada
[8] Univ Toronto, Inst Med Sci IMS, 1 Kings Coll Circle, Toronto, ON M5S 1A8, Canada
[9] Tech Univ Dresden, Inst Klin Psychol & Psychotherapie, Chemnitzer Str 46, D-01187 Dresden, Germany
[10] IM Sechenov First Moscow State Med Univ, Dept Int Hlth Projects, Inst Leadership & Hlth Management, Bolshaya Pirogovskaya Ulitsa,19C1, Moscow 119146, Russia