1. Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences University of Oxford Oxford UK
2. Department of Physical Therapy, College of Applied Medical Science Imam Abdulrahman Bin Faisal University Dammam Saudi Arabia
3. Physiotherapy Research Unit, Nuffield Orthopaedic Centre Oxford University Hospitals NHS Foundation Trust Oxford UK
4. Centre for Movement, Occupation and Rehabilitation Sciences, Faculty of Health and Life Science, Oxford Institute of Nursing, Midwifery and Allied Health Research Oxford Brookes University Oxford UK
5. Oxford Health NHS Foundation Trust Oxford UK
6. Faculty of Health and Life Sciences, Oxford Institute of Nursing, Midwifery and Allied Health Research Oxford Brookes University Oxford UK