1. imec - Vision Lab, Department of Physics, University of Antwerp, Belgium Universiteitsplein 1, B-2610, Antwerp, Belgium;
2. Applied Ergonomics and Design, Faculty of Industrial Design Engineering, Delft University of Technology, Delft, The Netherlands;
3. Multidisciplinary Motor Centre Antwerp, University Hospital Antwerp (UZA), Edegem, Belgium;
4. Department of Rehabilitation Sciences and Physiotherapy, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium;
5. Department of Product Development, Faculty of Design Sciences, University of Antwerp, Antwerp, Belgium