[1] Univ New S Wales, Natl Drug & Alcohol Res Ctr, Sydney, NSW, Australia
[2] Univ Melbourne, Sch Populat & Global Hlth, Melbourne, Vic, Australia
[3] Univ New S Wales, Kirby Inst, Sydney, NSW, Australia
[4] Johns Hopkins Bloomberg Sch Publ Hlth, Ctr Publ Hlth & Human Rights, Baltimore, MD USA
[5] Open Soc Fdn, Int Harm Reduct Dev Program, New York, NY USA
[6] Univ Malaya, Fac Med, Ctr Excellence Res AIDS CERiA, Kuala Lumpur, Malaysia
[7] INSERM, SESSTIM U912, F-13258 Marseille, France
[8] Univ Aix Marseille, IRD, UMR S912, Marseille, France
[9] ORS PACA, Observ Reg Sante Prov Alpes Cote dAzur, Marseille, France
[10] Univ Calif San Diego, Dept Med, Div Global Publ Hlth, La Jolla, CA 92093 USA
[11] Open Soc Fdn, Global Drug Policy Program, Warsaw, Poland
[12] UN Secretary Gen Special Envoy HIV AIDS Eastern E, Geneva, Switzerland