1 Pain in Motion international research group; Department of Physiotherapy, Human Physiology and Anatomy, Free University Brussels, Belgium; Department of Public Health and Primary Care, KU Leuven, Leuven, Belgium; Flanders Research Foundation (FWO), Belgium. Electronic address: Andrea.Polli@vub.be.
2 Pain in Motion international research group; Department of Physiotherapy, Human Physiology and Anatomy, Free University Brussels, Belgium; Department of Physical Medicine and Physiotherapy, University Hospital Brussels, Belgium.
3 Department of Public Health and Primary Care, KU Leuven, Leuven, Belgium; External Service for Prevention and Protection at Work, IDEWE, Heverlee, Belgium.