1. Australian Research Centre in Sex Health and Society, La Trobe University, Melbourne, Australia
2. Monash Addiction Research Centre, Eastern Health Clinical School, Monash University, Clayton, Australia
3. Eastern Health Turning Point, Box Hill, Australia
4. Centre for Social Research in Health, Faculty of Arts and Social Sciences, University of New South Wales, Sydney, Australia
5. National Drug and Alcohol Research Centre, School of Medicine, University of New South Wales, Sydney, Australia
6. National Drug Research Institute, Curtin University, Perth, Australia