[1] NSW Minist Hlth, Ctr Alcohol & Other Drugs, Sydney, Australia
[2] NSW Hlth Pathol, Forens & Analyt Sci Serv, Sydney, Australia
[3] Sydney Local Hlth Dist, Dept Drug Hlth, Sydney, Australia
[4] Agcy Clin Innovat, Emergency Care Inst, Sydney, Australia
[5] NSW Poisons Informat Ctr, Sydney, Australia
[6] Hunter New England Local Hlth Dist, Drug & Alcohol Clin Serv, Newcastle, Australia
[7] St Vincents Hosp, Alcohol & Drug Serv, Sydney, Australia
[8] Western Sydney Local Hlth Dist, Dept Toxicol, Sydney, Australia
[9] NSW Users & AIDS Assoc, Sydney, Australia
[10] South Western Sydney Local Hlth Dist, Dept Toxicol, Sydney, Australia
[11] NSW Coroners Court, Sydney, Australia
[12] NSW Minist Hlth, Ctr Epidemiol & Evidence, Sydney, Australia