1. Departments of Neurology and Stereotactic and Functional Neurology, Albertus‐Magnus University, Köln, Germany
2. Departments of Neurology and Neurosurgery, Ludwig‐Maximilian‐University, München, Germany
3. Departments of Neurology and Neurosurgery, Ruprecht‐Karls University Heidelberg, Germany
4. Departments of Neurology and Neurosurgery, Charite Hospital, Humboldt University Berlin, Germany
5. Department of Neurology, Heinrich‐Heine University, Düsseldorf, Germany
6. Departments of Neurology and Neurosurgery, Christian Albrechts University Kiel, Germany