1. From the Department of Neurology (P.S., G.T., J.-L.M., J.-C.B.), Sainte-Anne Hospital, INSERM U894, University Paris Descartes, France
2. Department of Radiology (P.R., L.L., W.B.H., O.N., S.L., C. Oppenheim), Sainte-Anne Hospital, INSERM U894, University Paris Descartes, France
3. Department of Neuroradiology (J.-P.C.), Bretonneau Hospital, University of Tours, France
4. Department of Stroke Medicine (T.-H.C.), Hospices Civils de Lyon, Université Lyon 1, CREATIS, CNRS UMR 5220-INSERM U1044, France
5. Department of Neurology (C.A.), CHRU Gui de Chauliac, Montpellier, France
6. Department of Diagnostic and Interventional Neuroradiology, University Hospital of Nancy, INSERM U947, France (S.B.)
7. Department of Neurology (C. Ozsancak), Orleans Hospital, France
8. Department of Neurology (S.D.), Bretonneau Hospital, University of Tours, France
9. Department of Neuroradiology (Y.B.), Hospices Civils de Lyon, Université Lyon 1, CREATIS, CNRS UMR 5220-INSERM U1044, France
10. Department of Interventional Neuroradiology (V.C.), CHRU Gui de Chauliac, Montpellier, France
11. Department of Neurology, University Hospital of Nancy, France (S.R.).
12. Department of Radiology (C.M.), Orleans Hospital, France