1 Laboratory of Cognitive Neuroscience, Department of Languages and Literatures, Communication, Education and Society, University of Udine, Udine, Italy.
2 Scientific Institute, IRCCS E. Medea, Bosisio Parini, Italy.
3 Research Group for Neuromotor Rehabilitation, KU Leuven, Leuven, Belgium.
4 Department of Biomedical and Specialty Surgical Sciences, University of Ferrara, Ferrara, Italy.