1. Brighton and Sussex Medical School University of Sussex Brighton UK
2. Social Policy Research Unit University of York York UK
3. Department of Public Health and Primary Care University of Cambridge Cambridge UK
4. Personal Social Services Research Unit London School of Economics and Political Science London UK
5. School of Psychology University of Sussex Brighton UK
6. Institute for Ageing Newcastle University Newcastle UK
7. Institute of Psychiatry, Psychology and Neuroscience King's College London London UK
8. South London and Maudsley NHS Foundation Trust London UK
9. Faculty of Health University of Plymouth Plymouth UK