1. Centre for Psychiatry and Mental Health Wolfson Institute of Population Health Queen Mary University of London London UK
2. Division of Psychiatry University College London London UK
3. Islington Memory Service, Camden and Islington NHS Foundation Trust London UK
4. Marie Curie Palliative Care Research Department, Division of Psychiatry London UK
5. Preventive Neurology Unit, Wolfson Institute of Population Health Queen Mary University of London London UK
6. Divisions of Geriatric Medicine & Neurology Department of Medicine Dalhousie University Halifax Nova Scotia Canada
7. Memory Services, East London NHS Foundation Trust London UK