[1] IRCCS, Ctr S Giovanni di Dio, FBF, NeuroBioGen Lab, I-25123 Brescia, Italy
[2] IRCCS, Ctr S Giovanni di Dio, FBF, Memory Clin, I-25123 Brescia, Italy
[3] Univ Padua, Dept Neurosci, I-35100 Padua, Italy
[4] IRCCS, Ctr S Giovanni di Dio, FBF, Alzheimer Unit, I-25123 Brescia, Italy
[5] IRCCS, Ctr S Giovanni di Dio, FBF, LENITEM, I-25123 Brescia, Italy
[6] Univ Brescia, Dept Neurol, I-25121 Brescia, Italy
[7] Massachusetts Gen Hosp, Dept Neurol, Boston, MA 02114 USA
[8] Univ Turin, Ctr Cognit Sci, Dept Psychol, I-10124 Turin, Italy
[9] IRCCS, AFaR Dip Neurosci Osp, FBF, Isola Tiberina,Clin Neurol, I-25123 Brescia, Italy