1. Huntington's Disease Research Centre, Institute of Neurology University College London London UK
2. Wellcome Centre for Human Neuroimaging, Institute of Neurology University College London London UK
3. Department of Health, Kinesiology, and Recreation University of Utah Salt Lake City Utah USA
4. Department of Physical Therapy and Athletic Training University of Utah Salt Lake City Utah USA
5. Centre for Molecular Medicine and Therapeutics, Department of Medical Genetics University of British Columbia Vancouver British Columbia Canada
6. APHP Department of Genetics, Pitié‐Salpêtrière University Hospital, and Institut du Cerveau et de la Moell épinière (ICM) Sorbonne Université Paris France
7. Department of Neurology Leiden University Medical Centre Leiden The Netherlands
8. Institute of Cognitive Neuroscience University College London London UK
9. Department of Neurology Ulm University Hospital Ulm Germany
10. Neurozentrum Siloah Bern Switzerland