1 AP-HM, La Timone University Hospital, Department of Diagnostic and Interventional Neuroradiology, 264, Rue Saint-Pierre, 13385 Marseille Cedex 5, France.
2 AP-HM, La Timone University Hospital, Department of Diagnostic and Interventional Neuroradiology, 264, Rue Saint-Pierre, 13385 Marseille Cedex 5, France. Electronic address: gilles.brun@ap-hm.fr.
3 AP-HM, La Timone University Hospital, Department of Neurology, 264, Rue Saint-Pierre, 13385 Marseille Cedex 5, France.
4 AP-HM, La Timone University Hospital, Department of Diagnostic and Interventional Neuroradiology, 264, Rue Saint-Pierre, 13385 Marseille Cedex 5, France; Aix-Marseille University, UMR CNRS 7339, 27, Boulevard Jean Moulin, 13385 Marseille, France.