1. Department of Neurology Ludwig Maximilians University Munich Germany
2. Department of Neurology and Stroke Eberhard Karls University Tübingen/Universitätsklinikum Tübingen Tübingen Germany
3. Institute for Stroke and Dementia Research University Hospital Ludwig Maximilians University Munich Germany
4. Department of Radiology University Hospital Würzburg Germany
5. Institute of Neuroradiology Ludwig Maximilians University Munich Germany
6. Department of Neuroradiology University of Bonn Bonn Germany
7. Munich Cluster for Systems Neurology Munich Germany
8. German Center for Vertigo and Balance Disorders Ludwig Maximilians University Munich Germany