1. Department of Neuroradiology, University Medical Center, Hamburg, Germany
2. Department of Neuroradiology, University Hospital of Toulouse, Toulouse, France
3. Emergency Department, Ospedale “Santi Giovanni e Paolo”, Venice, Italy
4. Department of Radiology and Neuroradiology, University Medical Center of Schleswig-Holstein, Campus Kiel, Germany
5. 2nd Department of Neurology and Interventional Stroke and Cerebrovascular Treatment Centre, Institute of Psychiatry and Neurology, Warsaw, Poland
6. Department of Neurology, Inselspital, University of Bern, Bern, Switzerland
7. Institute of Neuroscience and Psychology, University of Glasgow, Queen Elizabeth University Hospital, Glasgow, Scotland, United Kingdom
8. Department of Neurology and Stroke Center, AP-HP, Lariboisière Hospital, Paris, France
9. Department of Neurosurgery, University of Geneva, Medical Center, Geneva, Switzerland
10. Departments of Neurology and Neurogeriatrics, Johannes Wesling Klinikum Minden, Minden, Germany