[1] Rhein Westfal TH Aachen, Dept Neurol, Med Fac, Div Clin & Cognit Neurosci, D-52074 Aachen, Germany
[2] Univ Padua, Padua, Italy
[3] Univ Bologna, Dipartimento Filosofiae & Comunicaz, Bologna, Italy
[4] Univ Modena & Reggio Emilia, Dipartimento Comunicaz & Econ, Reggio Emilia, Italy
[5] Univ Verona, Dipartimento Sci Neurol & Movimento, I-37100 Verona, Italy
[6] Ist Nazl Neurosci, Verona, Italy