1. Department of Physical Therapy, University of Valencia, Valencia, Spain;
2. Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium;
3. Pain in Motion International Research Group, Brussel, Belgium;
4. Department of Physical Therapy, University of Illinois at Chicago, Chicago, IL, USA;
5. Faculty of Health Sciences, Discipline of Physiotherapy, John Walsh Centre for Rehabilitation Research, Royal North Shore Hospital, University of Sydney, Sydney, Australia;
6. Musculoskeletal Research Unit, University of Bristol, Southmead Hospital, Bristol, UK;
7. Department of Rehabilitation Sciences and Physiotherapy, Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium;
8. School of Physical and Occupational Therapy, McGill University, Montreal, Canada;
9. Avon Orthopaedic Centre, Southmead Hospital, North Bristol NHS Trust, Bristol, UK;
10. Musculoskeletal Research Unit, University of Bristol, Bristol, UK;
11. Department of Sports Science and Clinical Biomechanics, Research Unit for Musculoskeletal Function and Physiotherapy, University of Southern Denmark, Odense, Denmark;
12. Department of Physiotherapy and Occupational Therapy, Naestved-Slagelse-Ringsted Hospitals, Slagelse, Denmark