1. Faculty of Medicine and Health, General Practice Clinical School, University of Sydney, Sydney, Australia.
2. Discipline of Psychiatry and Mental Health, School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Sydney, Australia.
3. Social Policy Research Centre, UNSW, Sydney, Australia.
4. Centre for Primary Health Care and Equity, UNSW, Sydney, Australia.
5. School of Clinical Medicine, UNSW, Sydney, Australia.
6. Curtin School of Population Health, Curtin University, Perth, Australia.
7. Institute of Applied Health Sciences, University of Aberdeen, Aberdeen, Scotland.