1. Department of Neurology University Medical Center of the Johannes Gutenberg University Mainz Mainz Germany
2. Department of Neurology University Hospital Würzburg Würzburg Germany
3. Department of Neuroradiology, UKSH Christian‐Albrechts‐University Kiel Kiel Germany
4. Department of Neurosurgery University Medical Center of the Johannes Gutenberg University Mainz Mainz Germany
5. Department of Neurology, UKSH Christian‐Albrechts‐University Kiel Kiel Germany