1. Neurology (T.N.N., J.C.), Boston Medical Center, MA.
2. Radiology (T.N.N., M.M.Q., M.A., P.K.), Boston Medical Center, MA.
3. Radiation Oncology (M.M.Q.), Boston Medical Center, MA.
4. Neurology Service, Lausanne University Hospital, University of Lausanne, Switzerland (D. Strambo, P.M.).
5. Neurology (D. Strbian, S.R.), Helsinki University Hospital, Finland.
6. Neuroradiology (C.H., M. Moehlenbruch), Heidelberg University Hospital, Germany.
7. Neurology (M.O.-G., M. Ribo), Hospital Universitario Vall d’Hebron, Barcelona, Spain.
8. Radiology, (A.N, M.P.), Basel University Hospital, University of Basel, Switzerland.
9. Neurology (U.F.), Basel University Hospital, University of Basel, Switzerland.
10. Neurology, Bern University Hospital, University of Bern, Switzerland (T.R.M., U.F.).
11. Neurology (J.B.K., D.H.) University of Erlangen-Nuremberg, Germany.
12. Neurology (M. Köhrmann, J.K.E.), Universitätsklinikum Essen, Germany.
13. Radiology (C.D.), Universitätsklinikum Essen, Germany.
14. Neurology, Rhode Island Hospital, Brown University Medical School, Providence, RI (S.Y., L.S.).
15. Neurology (V.P.), University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany.
16. Neuroradiology (D.P.O.K.), University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany.
17. Institute of Diagnostic and Interventional Neuroradiology, University Hospital Bern Inselspital, University of Bern, Switzerland (J. Kaesmacher, A. Mujanovic).
18. Neurology, Grady Memorial Hospital, Atlanta, GA (D.C.H., M.H.M., H.A., L.S.V.).
19. Neuroradiology (D.C.M., T.E.), University of Erlangen-Nuremberg, Germany.
20. Neuroradiology, Centro Hospitalar Universitario de Lisboa Central, Portugal (B.C., I.F.).
21. Neurology and Stroke Unit, Department of Neuroscience, Bufalini Hospital, Cesena, Italy (M. Romoli).
22. Interventional Neuroradiology (F.D.), Hospital Universitario Vall d’Hebron, Barcelona, Spain.
23. Radiology (P.V., K.L.), Helsinki University Hospital, Finland.
24. Radiology, Helsinki University Hospital, University of Helsinki, Finland (P.V., K.L.).
25. Neurosurgery, Mount Sinai Health System, New York City, NY (S.M., J.T.F.).
26. Neurology, McGovern Medical School at UTHealth, TX (S.A.S., S.S.-M.).
27. Neurology (J.P.M.), Hospital de Egas Moniz, Centro Hospitalar Lisboa Ocidental, Portugal.
28. Neuroradiology (J.N.R.), Hospital de Egas Moniz, Centro Hospitalar Lisboa Ocidental, Portugal.
29. Neuroradiology (M. Miszczuk, E.S.), Freie Universität Berlin and Humboldt-Universität zu Berlin, Charité–Universitätsmedizin Berlin, Germany.
30. Neurology, Experimental Neurology (C.R., C.H.N.), Freie Universität Berlin and Humboldt-Universität zu Berlin, Charité–Universitätsmedizin Berlin, Germany.
31. Neurosurgery, Barrow Neurological Institute, Phoenix, AZ (A.P.J., S.M.D.).
32. Radiology, Neuroradiology and Nuclear Medicine, University Hospital Knappschaftskrankenhaus Bochum, Germany (V.M., M. Kaeder).
33. Neurosurgery, University of Buffalo, NY (A.H.S., A. Monteiro).
34. Neurology, New York Upstate Medical University, Syracuse, NY (H.E.M.).
35. Neurology, University of Pittsburgh Medical Center, PA (R.G.N., N.S.).
36. Neurosurgery, University of South Florida, Tampa (M. Mokin, S.T.).
37. Cooper Neurological Institute, Camden, NJ (J.E.S., J. Khalife).
38. Miami Neuroscience Institute, FL (I.L., G.D.).
39. Neurology, University of Miami Miller School of Medicine, FL (N.A., V.S.).
40. Radiology, Aristotle University of Thessaloniki, Greece (S.F.).
41. Neurology (P.A.R., S.N.), Heidelberg University Hospital, Germany.
42. Neurology, Klinikum Ludwigshafen, Germany (A.B., S.N.).
43. Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Germany (U.H., L.M.).