1. Department of Care of the Elderly; Betsi Cadwaladr University Health Board; Llandudno UK
2. North Wales Organisation for Randomised Trials in Health (NWORTH); Bangor University; Bangor UK
3. School of Health Sciences; City University London; London UK
4. Institute for Ageing and Health; Newcastle University; Newcastle upon Tyne UK
5. Department of Psychology, Institute of Psychiatry Psychology and Neuroscience; King's College London; London UK
6. Department of Neurology, King's Health Partners; King's College Hospital; London UK
7. East Kent Hospitals NHS University Foundation Trust; Kent UK
8. EMI Academic Unit, St Catherine's Hospital; University of Liverpool; Wirral UK
9. School of Psychology; Exeter University; Devon UK
10. School of Psychology; Bangor University; Gwynedd UK