1. Laboratory for Neurobiology, KU Leuven, Belgium (J.D., L.V., A.W., R.L.).
2. Neurology, UZ Leuven, Belgium (J.D., L.V., A.W., R.L.).
3. Radiology (M.M.Q., M.A., P.K., J.B., T.N.N.), Boston Medical Center, MA.
4. Radiation Oncology (M.M.Q.), Boston Medical Center, MA.
5. Boston University Chobanian & Avedisian School of Medicine, MA (M.M.Q., M.A., P.K., T.N.N.).
6. Neurology (D.S., N.M.-M., L.T.), Helsinki University Hospital, Finland.
7. University of Helsinki, Finland (D.S., N.M.-M., L.T., P.V.).
8. Neurology, Neurosurgery, University of Pittsburgh Medical Center, MA (R.G.N.).
9. Neurology, Grady Memorial Hospital, Atlanta, GA (R.G.N., D.C.H., M.H.M.).
10. Neurology, Klinikum Ludwigshafen, Germany (S.N.).
11. Neurology (S.N., P.A.R.), Heidelberg University Hospital, Germany.
12. Stroke Neurology, NHO Osaka National Hospital, Japan (H.Y.).
13. Neurology (V.P., S.W.), Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany.
14. Dresden Neurovascular Center (V.P., S.W., D.P.O.K.), Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany.
15. Neuroradiology (M.A.M., J.J.), Heidelberg University Hospital, Germany.
16. Neurology, Hospital Vall d’Hebron, Barcelona, Spain (M.O.G., M.R., F.R.).
17. Neurology, Lausanne University Hospital and University of Lausanne, Switzerland (P.M., D.S.).
18. Neurology (J.P.M., R.V.), Hospital de Egas Moniz, Centro Hospitalar Lisboa Occidental, Lisbon, Portugal.
19. Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K. Tanaka, K. Toyoda).
20. Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (S.Y., K.U.).
21. Neurology, Centre Hospitalier Universitaire de Lille, France (F.C., H.H., C.C.).
22. Neurology, University of Lille, France (F.C., H.H., C.C.).
23. Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.).
24. Radiology (J.N.R.), Hospital de Egas Moniz, Centro Hospitalar Lisboa Occidental, Lisbon, Portugal.
25. Neurology, UTHealth McGovern Medical School, Houston, TX (S.A.S., S.S.-M.).
26. Neurology, University of Iowa, Iowa City (S.O.G., M.F.).
27. Neurology, University of Chicago, IL (J.E.S.).
28. Clinical Neurosciences, University of Cambridge, United Kingdom (S.N.).
29. Diagnostic and Interventional Neuroradiology, University Hospital Bern, Switzerland (J.K., T.D.).
30. Radiology (P.V.), Helsinki University Hospital, Finland.
31. Neurology, University of Toledo, OH (S.F.Z., A.C.C.).
32. Interventional Neuroradiology, University of Massachusetts Memorial Medical Center, Worcester (A.S.P.).
33. Neurovascular Research, Kobe City Medical Center General Hospital, Japan (N.S.).
34. Interventional Neuroradiology, Centre Hospitalier de l’Universite de Montreal, Canada (B.F., D.R., J.R.).
35. Neurology, State University of New York, Syracuse (H.E.M.).
36. Institute of Neuroradiology (D.P.O.K.), Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany.
37. Neurology, CHC Liège, Belgium (P.D.).
38. Neuroscience and Stroke Program, Bon Secours Mercy Health St. Vincent Hospital, Toledo, OH (E.L., O.O.Z.).
39. Neurology, University Hospital Basel, Switzerland (U.F.).