1. Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
2. MRC Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge CB2 0QH, United Kingdom
3. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
4. Department of Molecular Neuroscience, UCL Institute of Neurology, London WC1N 3BG, United Kingdom
5. UK Dementia Research Institute, University of Cambridge, Cambridge CB2 0XY, United Kingdom