[1] C Mondino Natl Neurol Inst, IRCCS, Pavia, Italy
[2] Aix Marseille Univ, CRN2M, UMR 7286, CNRS, Marseille, France
[3] Montpellier Univ Hosp Ctr, Gui de Chauliac Hosp, Montpellier, France
[4] CHU Amiens Picardie, Montpellier, France
[5] C Besta Neurol Inst, IRCCS Fdn, Milan, Italy
[6] Univ Pavia, I-27100 Pavia, Italy