1. Department of Neurology, Medical University of Vienna, Vienna, Austria
2. School of Engineering, RMIT University, VIC Australia
3. Department of Sport Physiology, Institute of Sports Sciences, University of Vienna, Vienna, Austria
4. Department of Neurology, University Hospital Schleswig-Holstein, Campus Kiel and Kiel University, Kiel, Germany
5. Therapy Center Gmundnerberg, Altmünster Am Traunsee, Austria
6. Ludwig Boltzmann Institute for Rehabilitation Research, Vienna, Austria