1. Dementia Research Group, Translational Health Sciences, Bristol Medical School, University of Bristol, Faculty of Health Sciences, Level 1 Learning and Research>, Southmead Hospital, Bristol, UK
2. Bristol Randomised Trials Collaboration (BRTC), Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
3. Leonard Wolfson Experimental Neurology Centre, UCL Institute of Neurology, Queen Square, London, UK
4. Dementia Research Centre (DRC), Institute of Neurology, University College London, Queen Square, London, UK
5. ReMemBr Group, Translational Health Sciences, Bristol Medical School, University of Bristol, Faculty of Health Sciences, Brain Centre, Southmead Hospital, Bristol, UK
6. Institute of Clinical Sciences, Queens University Belfast, Royal Victoria Hospital, Belfast, UK
7. Division of Experimental Medicine and Immunotherapeutics, School of Clinical Medicine, University of Cambridge, and Clinical Trials Unit, Addenbrookes Hospital, Cambridge, UK
8. Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK