1. Center of Excellence for Rehabilitation Medicine, UMC Utrecht Brain Center, University Medical Center 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. Department of Neurology, University Medical Center Groningen, Groningen, The Netherlands
4. Center for Rehabilitation, Department of Rehabilitation Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands