1. Huntington’s Disease Centre, University College London (UCL) Institute of Neurology, London WC1N 3BG, UK.
2. Centre for Medical Image Computing, Department of Computer Science, UCL, London WC1E 6EA, UK.
3. Lysholm Department of Neuroradiology, National Hospital for Neurology and Neurosurgery, London WC1N 3BG, UK.
4. Department of Biomedical Engineering, School of Biomedical Engineering and Imaging Sciences, King’s College London, London SE1 7EH, UK.
5. Clinical Imaging Research Centre, National University of Singapore, Singapore 117599, Singapore.
6. Neuroscience, Ophthalmology, and Rare Diseases, Roche Pharma Research and Early Development, Roche Innovation Center Basel, F. Hoffman–La Roche Ltd., 4070 Basel, Switzerland.
7. Department of Molecular Neuroscience, UCL Institute of Neurology, Queen Square, London WC1N 3BG, UK.
8. UK Dementia Research Institute at UCL, London WC1E 6BT, UK.
9. Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, Sahlgrenska Academy at the University of Gothenburg, Mölndal, 405 30 Gothenburg, Sweden.
10. Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, 413 45 Gothenburg, Sweden.