1. Spinal Cord Injury Center Balgrist University Hospital University of Zurich Zurich Switzerland
2. Department of Neurology Bern University Hospital Inselspital University of Bern Bern Switzerland
3. Radiology Balgrist University Hospital University of Zurich Zurich Switzerland
4. Siemens Healthcare AG Zürich Switzerland
5. University Spine Centre Zurich Balgrist University Hospital University of Zurich Zurich Switzerland
6. Department of Neurophysics Max Planck Institute for Human Cognitive and Brain Sciences Leipzig Germany