[1] Ist Nazl Neurol Carlo Besta, Dept Clin Neurol, Milan, Italy
[2] Osped Moscati, Neurol Unit, Avellino, Italy
[3] Osped San Pietro, Neurol Unit, Ponte San Pietro, Italy
[4] Osped G Salvini Garbagnate Milanese, Neurol Unit, Varese, Italy
[5] Docleader, Data Management Unit, Varese, Italy