1. Spinal Cord Injury Center; Balgrist University Hospital; Zurich Switzerland
2. Radiology; Balgrist University Hospital; Zurich Switzerland
3. Wellcome Trust Centre for Neuroimaging, UCL Institute of Neurology; University College London; London United Kingdom
4. Department of Brain Repair and Rehabilitation, UCL Institute of Neurology; University College London; London United Kingdom
5. Department of Neurophysics; Max Planck Institute for Human Cognitive and Brain Sciences; Leipzig Germany