1. Department of Neurology, Hôpital Gui de Chauliac, Montpellier, France
2. INSERM U1266, Paris, France
3. Department of Neurology, Hôpital Foch, Suresnes, France
4. Department of Neuroradiology, Hôpital Central, Nancy, France
5. IADI, INSERM U1254, Nancy, France
6. Department of Biostatistics, Lille University Hospital, Lille, France
7. Department of Neurology, Hôpital Salengro, Lille, France
8. Department of Neurology, Hôpital Pierre-Paul Riquet, Toulouse, France
9. Department of Neurology, Hôpital Pellegrin, Bordeaux, France
10. Department of Neurology, Hôpital Sainte-Anne, Paris, France
11. Department of Neurology, Hôpital Central, Nancy, France
12. Department of Neuroradiology, Hôpital Salengro, Lille, France
13. Department of Neuroradiology, Hôpital Pierre-Paul Riquet, Toulouse, France
14. Department of Neuroradiology, Hôpital Pellegrin, Bordeaux, France
15. Department of Neuroradiology, Hôpital Sainte-Anne, Paris, France
16. Department of Neuroradiology, Hôpital Foch, Suresnes, France
17. Cooper Neurological Institute, Camden, NJ, USA
18. Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier, France