*Van Creveldkliniek, University Medical Centre Utrecht, The Netherlands
†Department of Neurology and Neurosurgery, Rudolf Magnus Institute of Neuroscience, University Medical Centre, Utrecht, The Netherlands
‡Department of Physiotherapy, Academy of Health Sciences, Utrecht, The Netherlands
§Rehabilitation Centre De Trappenberg, Huizen, The Netherlands
∥Department of Pediatric Physiotherapy, Wilhelmina Children's Hospital, University Medical Centre Utrecht, Utrecht, The Netherlands
