1. School of Health Sciences; City University London; UK
2. Institute for Ageing and Health; Newcastle University; Newcastle upon Tyne UK
3. Department of Care of the Elderly; Llandudno Hospital; UK
4. School of Medical Sciences; University of Bangor; UK
5. Department of Neurology; King's College Hospital; King's Health Partners; London UK
6. East Kent Hospitals NHS University Foundation Trust; Ashford Kent UK
7. EMI Academic Unit; St Catherine's Hospital; University of Liverpool; Birkenhead Wirral UK
8. King's College London; Institute of Psychiatry; King's Health Partners; London UK