1 Institute of Health, School of Health Sciences, HES-SO Valais-Wallis, Sion, Switzerland; The Sense Innovation & Research Center, Sion and Lausanne, Switzerland; Department of Clinical Neuroscience, Centre Hospitalier Universitaire Vaudois (CHUV), MySpace Lab, Lausanne, Switzerland. Electronic address: [email protected].
2 Department of Neurology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Cognition, Motion and Neuroscience, Italian Institute of Technology, Genoa, Italy.