1. Center for Neuroprosthethics, School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne (EPFL), Switzerland;
2. Laboratory of Cognitive Neuroscience, School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne (EPFL), Switzerland;
3. Laboratoire de Recherche en Neuroimagerie (LREN), Department of Clinical Neuroscience, Lausanne University and University Hospital, Switzerland;
4. Department of Neurology, University Hospital Geneva, Switzerland