1 Department of Diagnostic and Interventional Neuroradiology, Hopital Central, 29 avenue marechal de Lattre de Tassigny, 54035 Nancy cedex, France. Electronic address: [email protected].
2 Department of Neurology, CHU Nancy, France.
3 Department of Clinical Epidemiology, INSERM CIC-EC 1433, University of Lorraine and University Hospital of Nancy, France.
4 Department of Neurology, University Hospital of Besancon, France.
5 Department of Neruology, Sainte-Anne Hospital and Paris-Descartes University, INSERM U894, Paris, France.