1. Computational, Cognitive and Clinical Neuroimaging Laboratory, Division of Brain Sciences, Hammersmith Hospital, Imperial College London, London W12 0NN, UK
2. Care Research & Technology Centre, UK Dementia Research Institute, London W12 0BZ, UK
3. Department of Clinical and Movement Neuroscience, University College London, London NW3 2PF, UK
4. Centre for the Developing Brain, School of Biomedical Engineering and Imaging Sciences, King’s College London, London SE1 7EH, UK
5. Imaging Department, Imperial College Healthcare NHS Trust, Charing Cross Hospital, London W6 8RF, UK
6. Department of Neurodegenerative Disease, Reta Lila Weston Laboratories, Queen Square Genomics, UCL Dementia Research Institute, London WC1N 3BG, UK
7. Rugby Football Union, Twickenham, London TW2 7BA, UK
8. Faculty of Epidemiology and Public Health, London School of Hygiene and Tropical Medicine, London WC1E 7HT, UK
9. The Royal British Legion Centre for Blast Injury Studies, Imperial College London SW7 2AZ, UK