1. Unit of Functional Neurosurgery, Sobell Department of Motor Neuroscience and Movement Disorders; UCL Institute of Neurology; Queen Square London UK
2. Victor Horsley Department of Neurosurgery; National Hospital for Neurology and Neurosurgery; Queen Square London UK
3. Department of Neurosurgery; Jefferson University Hospitals; Philadelphia Pennsylvania USA
4. Neuroradiological Academic Unit, Department of Brain Repair and Rehabilitation, UCL Institute of Neurology; Queen Square London UK
5. Lysholm Department of Neuroradiology, National Hospital for Neurology and Neurosurgery; University College London NHS Foundation Trust; London UK
6. Department of Clinical Neuroscience; Umeå University; Umeå Sweden
7. Wellcome Trust Centre for Neuroimaging, UCL Institute of Neurology; London UK
8. Centre for Functional MRI of the Brain (FMRIB), John Radcliffe Hospital; Oxford UK