1. Division of Neurology McMaster University/Population Health Research Institute Hamilton ON Canada
2. Second Department of Neurology School of Medicine Attikon University Hospital National and Kapodistrian University of Athens Athens Greece
3. Stroke Unit Metropolitan Hospital Piraeus Greece
4. Interventional Neuroradiology Rabin Medical Center Tel Aviv Israel
5. Department of Primary Education School of Education University of Ioannina Ioannina Greece
6. Department of Biostatistics Julius Center for Health Sciences and Primary Care University Medical Center Utrecht Utrecht The Netherlands
7. Faculté de Médecine Université Paris Descartes Paris France
8. Department of Neurology University of Tennessee Health Science Center Memphis TN USA
9. Department of Neurosurgery University of Tennessee/Semmes‐Murphey Clinic Memphis TN USA
10. Department of Neuroradiology Clinic for Radiology & Nuclear Medicine University Hospital Basel Basel Switzerland
11. Department of Neurology St. Josef‐Hospital Ruhr‐University Bochum Bochum Germany
12. Division of Neurology Neurosurgery, and Diagnostic Imaging Hamilton General Hospital McMaster University Hamilton ON Canada
13. Department of Neurology Rabin Medical Center Tel Aviv Israel
14. Department of Neurology University of Texas at Houston Houston TX USA
15. Department of Neurosurgery Pediatric Hospital of Athens Athens Greece
16. First Department of Neurology Eginition Hospital Medical School National and Kapodistrian University of Athens Athens Greece
17. Department of Neurology GHU Paris et Psychiatrie et Neurosciences Paris France
18. Université de Paris Paris France
19. INSERM U1266 Paris France
20. FHU Neurovasc Paris France