1. Care Policy and Evaluation Centre, London School of Economics and Political Science , London , UK
2. Brighton and Sussex Medical School , Centre for Dementia Studies, , Brighton , UK
3. University of Sussex , Centre for Dementia Studies, , Brighton , UK
4. Sussex Partnership NHS Foundation Trust , Worthing , UK
5. Gateshead Health NHS Foundation Trust , Gateshead , UK
6. South London and Maudsley NHS Foundation Trust , London , UK
7. Social Policy Research Unit , Faculty of Social Sciences, , York , UK
8. University of York , Faculty of Social Sciences, , York , UK
9. Cambridge Public Health, University of Cambridge , Cambridge , UK
10. School of Psychology, University of Sussex , Brighton , UK
11. Kings College London , Institute of Psychiatry, London , UK
12. Population Health Sciences Institute, Newcastle University , Newcastle , UK
13. Institute for Ageing, Newcastle University , Newcastle , UK
14. Faculty of Health, University of Plymouth , Plymouth , UK