1. Personal Social Services Research Unit; London School of Economics and Political Science; London UK
2. King's Health Economics; Institute of Psychiatry, Psychology and Neuroscience, King's College London; London UK
3. Department of Biostatics; Institute of Psychiatry, Psychology and Neuroscience, King's College London; London UK
4. Five Boroughs Partnership NHS Foundation Trust; Warrington UK
5. Wolfson Centre for Age Related Disorders; King's College, London; London UK
6. Brighton and Sussex Medical School; University of Sussex; Brighton UK
7. Campus for Ageing and Vitality; Newcastle upon Tyne UK
8. Birmingham and Solihull Mental Health NHS Foundation Trust; Birmingham UK
9. Department of Psychology; Institute of Psychiatry, Psychology and Neuroscience, King's College London; London UK
10. Faculty of Medical and Human Sciences; Institute of Brain, Behaviour and Mental Health, University of Manchester; Manchester UK
11. Division of Psychiatry and Applied Psychology; University of Nottingham; Nottingham UK
12. Stratheden Hospital; Cupar Scotland UK
13. Faculty of Medicine; University of Southampton; Southampton UK
14. Medical Research Council Clinical Trials Unit; University College London; London UK
15. Division of Psychiatry; University College London; London UK
16. Health Sciences; University of Leicester; Leicester UK
17. Ayrshire and Arran NHS; University Hospital Crosshouse; Kilmarnock UK
18. Institute for Ageing; University of Newcastle; Newcastle upon Tyne UK
19. Oxford Health NHS Foundation Trust; Warneford Hospital; Oxford UK
20. Department of Psychiatry; University of Cambridge; Cambridge UK
21. Oxford University Hospitals NHS Foundation Trust; Oxford UK