1. Department of Medicine, University of Thessaly, Larissa, Greece
2. Department of Neurology, Jagiellonian University, Krakow, Poland
3. Stroke center, Neurology Service, CHUV, University of Lausanne, Lausanne, Switzerland
4. Department of Neurology, Skåne University Hospital, Malmö, Sweden
5. Department of Neurology, University of Erlangen-Nuremberg, Erlangen, Germany
6. Department of Neurology, Hospital of the Brothers of St. John, Eisenstadt, Austria
7. Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, UK
8. Department of Neurology, Klinikum Frankfurt Höchst, Frankfurt, Germany
9. Department of Neurology, Heidelberg University, Heidelberg, Germany