Affiliation: | 1. Swiss Paraplegic Research, Guido A. Z?chstrasse 4, 6207, Nottwil, Switzerland;2. Research Institute MOVE, Faculty of Human Movement Sciences, VU University Amsterdam, van der Boechorststraat 9, 1081 BT, Amsterdam, The Netherlandsstefan.vandrongelen@paranet.ch;4. Faculty of Human Movement Sciences, VU University Amsterdam, van der Boechorststraat 9, 1081 BT, Amsterdam, The Netherlands;5. Swiss Paraplegic Centre, Guido A. Z?chstrasse 1, 6207, Nottwil, Switzerland;6. Center for Human Movement Sciences, University Medical Center Groningen, University of Groningen, Antonius Deusinglaan 1, 9713AV, Groningen, The Netherlands |