1. Department of Clinical Neurosciences University of Calgary Calgary Canada
2. Department of Diagnostic Imaging University of Calgary Calgary Canada
3. Department of Neurology and Comprehensive Stroke Center, David Geffen School of Medicine University of California Los Angeles CA
4. Department of Neurology, Amsterdam University Medical Center University of Amsterdam Amsterdam The Netherlands
5. Department of Neuroradiology Tours University Hospital Tours France
6. Department of Neurology Stavanger University Hospital Stavanger Norway
7. Clinic of Radiology and Nuclear Medicine, University Hospital Basel University of Basel Basel Switzerland
8. Departments of Neuroradiology and Neurology Karolinska University Hospital Stockholm Sweden
9. Department of Neuroradiology, Amsterdam UMC University of Amsterdam Amsterdam The Netherlands
10. Department of Neuroradiology Centre Hospitalier Universitaire de Nantes Nantes France
11. Department of Neuroradiology Monash University Victoria Australia
12. Department of Neurosurgery Hyogo College of Medicine Nishinomiya Hyogo Japan
13. Department of Neurology University of Miami Health System Miami FL
14. Department of Diagnostic and Interventional Neuroradiology University Hospital of Nancy Nancy France
15. Department of Neuroradiology University Hospital Freiburg Freiburg Germany
16. Department of Neuroradiology University of Alberta Edmonton Canada
17. Department of Neurology University of Pittsburgh Medical Center Pittsburgh PA