1. Department of NeurologyLeiden University Medical Center Leiden The Netherlands
2. Department of Human Movement SciencesFaculty of Behavioural and Movement SciencesAmsterdam Movement SciencesVU Amsterdam Amsterdam The Netherlands
3. Rijnlands Rehabilitation Center Leiden The Netherlands
4. Sophia Rehabilitation Den Haag The Netherlands
5. Department of Rehabilitation MedicineLeiden University Medical Center Leiden The Netherlands
6. Department of Rehabilitation MedicineAmsterdam Movement SciencesVU University Medical Center Amsterdam The Netherlands