1. St George Hospital and Sutherland Hospital, South Eastern Sydney Local Health District, Kogarah, Australia
2. School of Psychiatry, University of NSW, Sydney, Australia
3. National Drug and Alcohol Research Centre, University of NSW, Sydney, Australia
4. InforMH, System Information and Analytics Branch, NSW Ministry of Health, North Ryde, Australia
5. Northern Clinical School, Sydney Medical School, University of Sydney, St Leonards, Australia