1. Department of Neuroradiology, University of Heidelberg, Germany
2. Department of Internal Medicine and Cardiology, Oslo University Hospital, Oslo, Norway
3. Service de Biostatistique, F-69003 Lyon, Hospices Civils de Lyon, France; Université Lyon 1, F-69100 Villeurbanne, France; CNRS, UMR 5558, Laboratoire de Biométrie et Biologie Evolutive, Equipe Biostatistique-Santé, F-69100 Villeurbanne, France
4. Department of Neuroradiology, Karolinska University Hospital, Stockholm, Sweden
5. Department of Neuroradiology, Medical University Innsbruck, Austria
6. Department of Radiology, Charles University Hospital, Hradec Kralove, Czech Republic
7. Department of Neuroradiology, Hôpital Maison-Blanche, Université Reims-Champagne-Ardenne, Reims, France
8. Stroke Alliance For Europe, Brussels, Belgium
9. Department of Neurology, Aarhus University Hospital, Aarhus, Denmark
10. Department of Radiology, Comenius University’s Jessenius Faculty of Medicine and University Hospital, Martin, Slovakia
11. Department of Neuroradiology, University of Hamburg, Germany
12. Eppdata, Hamburg, Germany
13. Department of Neurology, University of Hamburg, Germany