1. Department of Neurology, Dresden University Stroke Center, University of Technology Dresden, Dresden, Germany
2. Department of Neurology, Community Hospital Karlsruhe, Karlsruhe, Germany
3. Department of Neurology, Saxon Hospital Arnsdorf, Arnsdorf, Germany
4. Department of Neurosurgery, Dresden University Stroke Center, University of Technology Dresden, Dresden, Germany
5. Department of Neuroradiology, Dresden University Stroke Center, University of Technology Dresden, Dresden, Germany