[1] IRCCS, Fdn Don Carlo Gnocchi, Ctr Bioingn FDG, ONLUS, I-20148 Milan, Italy
[2] Univ Turin, Dipartimento Neurosci, Turin, Italy
[3] Osped Niguarda Ca Granda, Dipartimento Neurosci, Milan, Italy
[4] Fdn Salvatore Maugeri, Pavia, Italy
[5] Osped CTO, Div Neurochirurg, Turin, Italy
[6] Politecn Milan, Dipartimento Bioingn, I-20133 Milan, Italy