1 University Clinic for Neurology, Inselspital, Bern, Switzerland; Faculty of Medicine, University of Geneva, Geneva, Switzerland. Electronic address: eric.morel@etu.unige.ch.
2 Faculty of Medicine, University of Geneva, Geneva, Switzerland; Willy Taillard Laboratory of Kinesiology, University Geneva Hospitals, Geneva, Switzerland.
3 Faculty of Medicine, University of Geneva, Geneva, Switzerland; Department of Clinical Neurosciences, Division of Neurology, University Geneva Hospitals, Geneva, Switzerland.
4 Faculty of Medicine, University of Geneva, Geneva, Switzerland; Department of Clinical Neurosciences, Division of Neurology, University Geneva Hospitals, Geneva, Switzerland; Department of Neurology, Albert Einstein College of Medicine, Yeshiva University, Bronx, New York, USA.