1. UCL Huntington’s Disease Centre, UCL Queen Square Institute of Neurology, University College London, London WC1B 5EH, UK.
2. Centre for Medical Image Computing, Department of Computer Science, University College London, London WC1E 6BT, UK.
3. Lysholm Department of Neuroradiology, National Hospital for Neurology and Neurosurgery, London WC1N 3BG, UK.
4. Neuroradiological Academic Unit, Department of Brain Repair and Rehabilitation, UCL Queen Square Institute of Neurology, University College London, London WC1N 3BG, UK.
5. Department of Biomedical Engineering, School of Biomedical Engineering and Imaging Sciences, King’s College London, London SE1 7EH, UK.
6. PD Personalised Healthcare, F. Hoffmann–La Roche Ltd., 4070 Basel, Switzerland.
7. UK Dementia Research Institute at UCL, London WC1E 6BT, UK.
8. Product Development Neuroscience, F. Hoffmann–La Roche Ltd., 4070 Basel, Switzerland.
9. Department of Neurodegenerative Disease, UCL Queen Square Institute of Neurology, University College London, London WC1N 3BG, UK.
10. Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, 431 80 Mölndal, Sweden.
11. Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, Sahlgrenska Academy at the University of Gothenburg, 431 80 Mölndal, Sweden.