1. Department of Neurology, University Hospital Heidelberg, Heidelberg, Germany
2. Department of Statistics, Boehringer Ingelheim, Bieberach, Germany
3. Department of Neuroradiology, University Hospital Heidelberg, Heidelberg, Germany
4. Boehringer Ingelheim Pharma GmbH & Co KG, Ingelheim, Germany
5. Florey Neuroscience Institutes, University of Melbourne, Parkville, Australia
6. Department of Neurology, Roger Salengro Hospital, Lille, France
7. Department of Neurology, Hospital Vall d'Hebron-Barcelona, Barcelona, Spain
8. Department of Neurology, Johannes-Wesling-Medical-Centre Minden, Minden, Germany
9. Department of Neurology, University of Erlangen-Nuernberg, Erlangen, Germany
10. Emergency Department Stroke Unit, La Sapienza University Hospital, Rome, Italy
11. Department of Neurology, Karolinska University Hospital-Solna, Solna, Sweden