1. Department of Biomechanical Engineering, University of Twente, MIRA Institute for Biomechanical Technology and Technical Medicine, Enschede, The Netherlands;
2. Department of Biomechanical Engineering, Delft University of Technology, Delft, The Netherlands;
3. Department of Neurology, Medical Spectrum Twente, Enschede, The Netherlands; and
4. Radboud University Nijmegen Medical Centre, Donders Institute for Brain, Cognition and Behaviour, Department of Neurology, Nijmegen, The Netherlands