1. Department of Rehabilitation Medicine, Center for Rehabilitation, University Medical Center Groningen, University of Groningen and Graduate School for Health Research, University of Groningen, Groningen,
2. Roessingh Research and Development and University of Twente, Department of Biomechanical Engineering, Enschede
3. Department of Rehabilitation Medicine, Center for Rehabilitation, University Medical Center Groningen, University of Groningen, and School of Behavioral and Cognitive Neurosciences, University of Groningen
4. Department of Rehabilitation Medicine, Center for Rehabilitation, University Medical Center Groningen, University of Groningen, and Graduate School for Health Research, University of Groningen
5. Department of Rehabilitation Medicine, Center for Rehabilitation, University Medical Center Groningen, University of Groningen, Graduate School for Health Research, University of Groningen and School of Behavioral and Cognitive Neurosciences, University of Groningen, Groningen, The Netherlands