1. Medical Research Council Brain Network Dynamics Unit at the University of Oxford, Oxford, UK
2. Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford, UK
3. Department of Neurology, Bern University Hospital and University of Bern, Switzerland
4. Sobell Department of Motor Neuroscience and Movement Disorders, UCL Institute of Neurology, London, UK
5. University Medical Center Groningen, 9700 RB Groningen, The Netherlands