1. School of Population Health, Faculty of Medicine and Health UNSW Sydney Sydney Australia
2. Centre of Public Health Sciences, Faculty of Medicine University of Iceland Reykjavík Iceland
3. National Drug and Alcohol Research Centre, Faculty of Medicine and Health UNSW Sydney Sydney Australia
4. The Bennett Institute for Applied Data Science, Nuffield Department of Primary Care Health Sciences University of Oxford Oxford UK
5. Centre for Big Data Research in Health, Faculty of Medicine and Health UNSW Sydney Sydney Australia
6. The Kirby Institute, Faculty of Medicine and Health UNSW Sydney Sydney Australia