1 Neurology Unit, Medicine Department, HFR Cantonal Hospital and Faculty of Sciences, University of Fribourg, Fribourg, Switzerland.
2 Department of Neurology, Charité University Medicine Berlin, Campus Mitte, 10117 Berlin, Germany.
3 Berenson-Allen Center for Non-Invasive Brain Stimulation and Division of Cognitive Neurology, Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
4 Department of Psychology, Whitehead Building, Goldsmiths, University of London, London SE14 6NW, UK.
5 Neurophysics Group, Department of Neurology, Campus Benjamin Franklin, Charité-University Medicine Berlin, Berlin 12203, Germany.
6 NeuroCure Clinical Research Center, Charite University Medicine Berlin, 10117 Berlin, Germany.