1. Department of Neurodegenerative Disease, UCL Institute of Neurology, London, WC1N 3BG UK
2. The LonDownS Consortium, Department of Forensic and Neurodevelopmental Sciences, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, Denmark Hill, London, SE5 8AF, UK
3. Department of Experimental Psychology, University of Oxford, Oxford, OX1 3PH, UK
4. Department of Neurology, Washington University School of Medicine, St Louis, Missouri, 63110, USA
5. Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, University of Gothenburg, S-405 30, Sweden
6. Sanders-Brown Center on Aging, University of Kentucky, Lexington, Kentucky, 40507, USA
7. VIB-KU Leuven Center for Brain and Disease Research, VIB-Leuven 3000, Center for Human Genetics, Universitaire Ziekenhuizen and LIND, KU Leuven, Leuven, Belgium
8. MRC Prion Unit at UCL, UCL Institute of Prion Diseases, 33 Cleveland Street, London W1W 7FF, UK
9. Department of Molecular Neuroscience, UCL Institute of Neurology, London, WC1N 3BG, UK
10. UK Dementia Research Institute, London, WC2B 4AN, UK
11. Francis Crick Institute, London, NW1 1AT, UK
12. Department of Medicine, Imperial College, London, SW7 2AZ, UK