1. Centre of Excellence for Rehabilitation Medicine, UMC Utrecht Brain Centre, University Medical Centre Utrecht, and De Hoogstraat Rehabilitation, Utrecht, The Netherlands
2. Department of Rehabilitation, Physical Therapy Science & Sports, UMC Utrecht Brain Center, University Medical Center Utrecht, Utrecht, The Netherlands
3. Centre for Rehabilitation, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
4. Department of Spinal Cord Injury and Orthopedics, De Hoogstraat Rehabilitation, Utrecht, The Netherlands