1. National Centre in HIV Epidemiology and Clinical Research Sydney NSW
2. Alcohol and Drug ServiceSt. Vincent's Hospital Sydney NSW
3. Drug and Alcohol Services Council Adelaide SA
4. Epidemiology and Social Research UnitMacfarlane Burnet Centre for Medical Research Melbourne VIC
5. Centre for ImmunologySt. Vincent's Hospital Sydney NSW
6. National Drug and Alcohol Research Centre Sydney NSW
7. National Centre for Research into the Prevention of Drug AbuseCurtin University of Technology Perth WA
8. Kirketon Road Centre Sydney NSW