1. National Drug and Alcohol Research Centre UNSW Sydney Sydney Australia
2. Monash Addiction Research Centre Monash University Melbourne Australia
3. Australian Injecting and Illicit Drug Users League Canberra Australia
4. Faculty of Health and Medical Sciences University of Adelaide Adelaide Australia
5. School of Psychology University of Wollongong Wollongong Australia
6. Illawarra Health and Medical Research Institute University of Wollongong Wollongong Australia