1. Department of Neurology, University of Heidelberg, Heidelberg, Germany
2. Department of Neurology, UKSH Campus Kiel, Kiel, Germany
3. Department of Vascular Surgery, University of Innsbruck, Innsbruck, Austria
4. Department of Vascular Surgery, Technical University of Munich, Munich, Germany
5. Department of Neuroradiology, UKSH Campus Kiel, Kiel, Germany
6. Department of Cardiology, Clinic Neuperlach, Munich, Germany
7. Institute of Medical Informatics, Biometry, and Epidemiology, Munich, Germany