1. School of Health Sciences, University of East Anglia, Norwich, UK
2. Division of Psychiatry, University College London, London, UK
3. Department of Psychology, Universidad Rey Juan Carlos, Madrid, Spain
4. Department of Biological and Health Psychology, Universidad Autónoma de Madrid, Madrid, Spain
5. Norwich Medical School, University of East Anglia, Norwich, UK
6. Norfolk and Suffolk NHS Foundation Trust, Older People’s Community Team, Norwich, UK
7. Department of Psychology, Uppsala University, Uppsala, Sweden