1 Center for Human Movement Sciences, University Medical CenterGroningen, Netherlands; Human Performance Lab, Schulthess ClinicZurich, Switzerland.
2 Institut NeuroMyoGène, Université Claude Bernard Lyon 1, INSERM U1217, CNRS UMR 5310 Villeurbanne, France.
3 Institute of Sport Sciences, University of LausanneLausanne, Switzerland; Department of Physiology, Faculty of Biology and Medicine, University of LausanneLausanne, Switzerland.
4 Human Performance Lab, Schulthess Clinic Zurich, Switzerland.