[1] Fdn Santa Lucia, Rome, Italy
[2] S Andrea Hosp, Neurol, Rome, Italy
[3] S Andrea Hosp, Ctr Expt Neurol Therapies Ctr, Rome, Italy
[4] IRCCS Neuromed, Unit Neurol, Pozzilli, Italy
[5] Consiglio Nazl Ric IEOS CNR, Ist Endocrinol & Oncol Sperimentale, Naples, Italy
[6] San Camillo Forlanini Hosp, Dept Neurol, Rome, Italy