1. Brain Investigation and Neuromodulation Laboratory, Department of Medicine, Surgery and Neuroscience, Unit of Neurology and Clinical Neurophysiology, Siena Medical School, Siena, Italy.
2. Unit of Neuroimaging and Neurointervention, “Santa Maria alle Scotte” Medical Center, Siena, Italy.
3. Unit of Neurosurgery, “Santa Maria alle Scotte” Medical Center, Siena, Italy.
4. Neuroelectrics, Barcelona, Spain.
5. Berenson-Allen Center for Noninvasive Brain Stimulation, Beth Israel Medical Center, Harvard Medical School, Boston, MA, USA.
6. Institut Guttmann, Universitat Autonoma Barcelona, Barcelona, Spain.
7. Department of Medicine, Surgery and Neuroscience, Human Physiology Section, Siena Medical School, Siena, Italy.