1. College of Life and Environmental Sciences, University of Birmingham Centre of Precision Rehabilitation for Spinal Pain (CPR Spine), School of Sport, Exercise and Rehabilitation Sciences, , Birmingham, UK
2. Fysio-Experts Research Department, , Hazerswoude, The Netherlands
3. Tufts University School of Medicine Department of Physical Therapy, , Boston, Massachusetts, USA
4. Breederode University of Applied Science Department of Manual Therapy, , Rotterdam, The Netherlands
5. University Medical Center Department of General Practice, Erasmus MC, , Rotterdam, The Netherlands