1 Department of Clinical Neurophysiology, Kuopio University Hospital, Kuopio, Finland; Department of Applied Physics, University of Eastern Finland, Kuopio, Finland.
2 1st Department of Neurology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece.
3 Center for Mind/Brain Sciences - CIMeC, University of Trento, Italy; Department of Neurology & Stroke, University of Tübingen, Germany; Hertie Institute for Clinical Brain Research, University of Tübingen, Germany. Electronic address: paolo.belardinelli@unitn.it.