1. Policy and Epidemiology Group, Queensland Centre for Mental Health Research, Wacol, Australia
2. The University of Queensland, School of Public Health, Brisbane, Australia
3. The University of Queensland, Centre for Youth Substance Abuse Research, Herston, Australia
4. National Addiction Centre, Institute of Psychiatry, Psychology and Neuroscience at Kings College London
5. The University of Queensland, School of Political Science, St Lucia, Australia