1. University of Oxford; Radcliffe Department of Medicine; John Radcliffe Hospital Level 4, Main Hospital, Room 4401C Oxford Oxfordshire UK OX3 9DU
2. University of Manchester, Manchester Academic Health Science Centre; Division of Nursing, Midwifery and Social Work, School of Health Sciences, Faculty of Biology, Medicine and Health; Jean McFarlane Building Oxford Road Manchester UK M13 9PL
3. King's College London; Department of Psychological Medicine and National Addiction Centre; Weston Education Centre London London UK SE5 9RJ
4. Moorfields Eye Hospital NHS Foundation Trust; Department of Ophthalmology; 162 City Road London UK EC1V 2PD
5. Keck School of Medicine of the University of Southern California; 1540 Alcazar Street, CHP 216 Los Angeles CA USA 90033
6. Oxford University Hospitals NHS Foundation Trust; Neurosciences Department; John Radcliffe Hospital Oxford UK OX3 9DU
7. Cochrane; Cochrane Response; St Albans House 57-59 Haymarket London UK SW1Y 4QX
8. University of Oxford; Cochrane Dementia and Cognitive Improvement Group; Oxford UK OX3 9DU
9. University of Oxford; Nuffield Department of Clinical Neurosciences (NDCN); Level 6, West Wing, John Radcliffe Hospital Oxford UK OX3 9DU