Davide Momi (Brain Investigation and Neuromodulation laboratory, Department of Medicine, Surgery and Neuroscience, Siena School of Medicine, Siena, Italy), Francesco Neri (Brain Investigation and Neuromodulation laboratory, Department of Medicine, Surgery and Neuroscience, Siena School of Medicine, Siena, Italy), Domenica Veniero (Institute of Neuroscience and Psychology, University of Glasgow, UK), Giovanni Coiro (Brain Investigation and Neuromodulation laboratory, Department of Medicine, Surgery and Neuroscience, Siena School of Medicine, Siena, Italy), Giulia Sprugnoli (Brain Investigation and Neuromodulation laboratory, Department of Medicine, Surgery and Neuroscience, Siena School of Medicine, Siena, Italy), Alessandro Rossi (Department of Medicine, Surgery and Neuroscience, Neurology and Clinical Neurophysiology Section, Brain Investigation & Neuromodulation Lab. (SiBIN Lab), University of Siena), Alvaro Pascual-leone (Berenson-Allen Center for Noninvasive Brain Stimulation, Division of Cognitive Neurology, Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA), Simone Rossi (Department of Medicine, Surgery and Neuroscience, Neurology and Clinical Neurophysiology Section, Brain Investigation & Neuromodulation Lab. (SiBIN Lab), University of Siena), Emiliano Santarnecchi (Department of Medicine, Surgery and Neuroscience, Neurology and Clinical Neurophysiology Section, Brain Investigation & Neuromodulation Lab. (SiBIN Lab), University of Siena)