1. South Eastern Sydney Local Health District, Sydney, New South Wales, Australia
2. University Sydney, Discipline of Addiction Medicine, Sydney, New South Wales, Australia
3. New South Wales Drug and Alcohol Clinical Research and Improvement Network, New South Wales Health, Sydney, New South Wales, Australia
4. Hunter New England Local Health District, Newcastle, New South Wales, Australia
5. University of Newcastle and Hunter Medical Research Institute, Newcastle, New South Wales, Australia
6. Royal Prince Alfred Hospital, Camperdown, New South Wales, Australia
7. Turning Point, Eastern Health and Monash Addiction Research Centre, Eastern Health Clinical School, Monash University, Melbourne, Victoria, Australia
8. Western Sydney Local Health District, Sydney, New South Wales, Australia
9. School of Public Health and Community Medicine, University of New South Wales, Sydney, New South Wales, Australia
10. Camurus, Lund, Sweden