1. Department of Vascular Neurology, University Medical Center Ljubljana, Ljubljana, Slovenia
2. Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
3. Department of Vascular Disorders, University Medical Center Ljubljana, Ljubljana, Slovenia
4. Department of Radiology and Nuclear Medicine, Maastricht University Medical Center+, Maastricht, the Netherlands
5. CARIM, School for Cardiovascular Diseases, Maastricht University, Maastricht, the Netherlands
6. Department of Internal Medicine, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
7. Department of neurodiagnostic, University Hospital Geneva, Geneva, Switzerland
8. Department of Neurosurgery, Kepler University Hospital Linz, Linz, Austria
9. Johannes Kepler University Linz, Linz, Austria
10. Department of Neurology, Nordwest-Krankenhaus Sanderbusch, Friesland Kliniken GmbH, Sande, Germany
11. University Medical Center Göttingen, Göttingen, Germany