1. Western Australian Centre for Health and Ageing, Perth, WA.
2. School of Psychiatry and Clinical Neurosciences, University of Western Australia, Perth, WA.
3. School of Psychiatry, University of New South Wales, Sydney, NSW.
4. School of Population Health, University of Melbourne, Melbourne, VIC.
5. Discipline of General Practice, School of Population Health and Clinical Practice, University of Adelaide, Adelaide, SA.
6. Discipline of Psychological Medicine, University of Sydney, Sydney, NSW.
7. School of Nursing, Midwifery and Postgraduate Medicine, Edith Cowan University, Perth, WA.
8. Discipline of Psychiatry, School of Medicine, University of Queensland, Brisbane, QLD.
9. Academic Unit for Psychiatry of Old Age, St Vincent's Health, University of Melbourne, Melbourne, VIC.
10. School of Medicine and Pharmacology, University of Western Australia, Perth, WA.
11. Department of General Practice and Primary Health Care, University of Auckland, Auckland, NZ.
12. Discipline of Psychiatry, School of Medicine, University of Adelaide, Adelaide, SA.