1 Department of Clinical and Movement Neurosciences, University College London, London WC1N 3BG, UK; UK Comprehensive Stroke Service, National Hospital for Neurology and Neurosurgery, London, UK. Electronic address: d.kaski@ucl.ac.uk.
2 Department of Clinical and Movement Neurosciences, University College London, London WC1N 3BG, UK; UK Comprehensive Stroke Service, National Hospital for Neurology and Neurosurgery, London, UK.
3 UK Comprehensive Stroke Service, National Hospital for Neurology and Neurosurgery, London, UK.
4 Department of Brain Repair and Rehabilitation, University College London, London WC1N 3BG, UK; Stroke Research Centre, Institute of Neurology, University College London, London WC1N 3BG, UK; UK Comprehensive Stroke Service, National Hospital for Neurology and Neurosurgery, London, UK.