1. Alcohol & Drug Service St Vincent's Hospital Sydney Sydney Australia
2. National Drug and Alcohol Research Centre UNSW Sydney Sydney Australia
3. St Vincent's Clinical School Faculty of Medicine, UNSW Sydney Sydney Australia
4. National Centre for Clinical Research on Emerging Drugs Sydney Australia
5. New South Wales Users and AIDS Association Sydney Australia
6. Social and Global Studies Centre and Digital Ethnography Research Centre RMIT University Melbourne Australia
7. Department of Clinical Pharmacology and Toxicology St Vincent's Hospital Sydney Australia