1. Sophia Rehabilitation Center, The Hague, The Netherlands
2. Department of Rehabilitation, Haaglanden Medical Center, The Hague, The Netherlands
3. Department of Neurology, Haaglanden Medical Center, The Hague, The Netherlands
4. Department of Orthopedics, Rehabilitation and Physical Therapy, Leiden University Medical Center, Leiden, The Netherlands
5. Rijnland Rehabilitation Center, Leiden, The Netherlands