1. Department of Rehabilitation Science, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, 1050 Brussels, Belgium
2. Pain in Motion International Research Group, Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1050 Brussels, Belgium
3. Department of Health Sciences, Faculty of Science, Vrije Universiteit Amsterdam, Amsterdam Movement Sciences Research Institute, 1105 Amsterdam, The Netherlands
4. Department of Epidemiology and Data Science (Amsterdam UMC, Location VUmc), Amsterdam Movement Sciences Research Institute, 1046 Amsterdam, The Netherlands
5. Chronic Pain Rehabilitation, Department of Physical Medicine and Physiotherapy, University Hospital Brussels, 1050 Brussels, Belgium
6. General Practice “Het Homeer”, 9281 Harkema, The Netherlands
7. Transcare, Transdisciplinary Pain Management Center, 9711 Groningen, The Netherlands