1. Basalt, Leiden/The Hague, The Netherlands
2. Department of Orthopaedics, Rehabilitation, and Physical Therapy, Leiden University Medical Center, Leiden, The Netherlands
3. Department of Rehabilitation Medicine, Haaglanden Medical Center, The Hague, The Netherlands
4. Department of Biomedical Data Science, Leiden University Medical Center, Leiden, The Netherlands
5. Mathematical Institute Leiden University, Leiden, The Netherlands
6. Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, The Netherlands