1. Second Department of Neurology, National & Kapodistrian University of Athens, School of Medicine, Iras 39, Gerakas Attikis, Athens 15344, Greece
2. Department of Neurology, The University of Tennessee Health Science Center, Memphis, TN, USA
3. Stroke Unit, Metropolitan Hospital, Piraeus, Greece
4. Neurology and Stroke Center, Department of Clinical Research, University Hospital of Basel, University of Basel, Basel, Switzerland
5. Department of Neurology, Universitätsklinikum Essen, Essen, Germany
6. Department of Neurology, Stroke Unit, Oslo University Hospital, Oslo, Norway
7. Department of Neurology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
8. Department of Neurosciences (Neurology), Hospital de Santa Maria, University of Lisbon, Lisbon, Portugal
9. Department of Neurology, The University of Texas at Houston, Houston, TX, USA
10. Second Department of Neurology, National & Kapodistiran University of Athens, School of Medicine, “Attikon” University Hospital, Athens, Greece
11. Department of Neurology, University Hospital of Alexandroupolis, Democritus University of Thrace, School of Medicine, Alexandroupolis, Greece
12. Department of Neurology (Stroke Unit), Lille Neuroscience and Cognition, Degenerative and Vascular Cognitive Disorders, University of Lille, INSERM (U-1172), Lille, France
13. Department of Neurology, Johannes Wesling Medical Center Minden, UK RUB Minden, Germany