1 Department of Rehabilitation and Sport Sciences, Physical Therapy Unit, Faculty of Health and Social Sciences, Bournemouth University, Bournemouth, United Kingdom; Pain in Motion Research Group (PAIN), Department of Physical Therapy, Human Physiology and Anatomy, Faculty of Physical Education & Physical Therapy, Vrije Universiteit Brussel, Belgium.
2 Pain in Motion Research Group (PAIN), Department of Physical Therapy, Human Physiology and Anatomy, Faculty of Physical Education & Physical Therapy, Vrije Universiteit Brussel, Belgium; Chronic pain rehabilitation, Department of Physical Medicine and Physical Therapy, University Hospital Brussels, Belgium; Department of Health and Rehabilitation, Unit of Physical Therapy, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Sweden. Electronic address: jo.nijs@vub.be.
3 Pain in Motion Research Group (PAIN), Department of Physical Therapy, Human Physiology and Anatomy, Faculty of Physical Education & Physical Therapy, Vrije Universiteit Brussel, Belgium; Chronic pain rehabilitation, Department of Physical Medicine and Physical Therapy, University Hospital Brussels, Belgium; Research Foundation Flanders (FWO), Brussels, Belgium.