1. School of Health Sciences University of Southampton Southampton United Kingdom
2. Centre for Sport, Exercise and Osteoarthritis Versus Arthritis, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences University of Southampton Southampton United Kingdom
3. Centre for Sport, Exercise and Osteoarthritis Versus Arthritis, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences University of Oxford Oxford United Kingdom
4. Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, Botnar Research Centre University of Oxford, Old Road Oxford OX3 7LD United Kingdom
5. Department of Epidemiology, Injury Prevention Research Center, Division of Physical Therapy and Thurston Arthritis Research Center University of North Carolina, 3330 Thurston Bldg, CB #7280 Chapel Hill NC USA
6. Department of Medicine and Thurston Arthritis Research Center University of North Carolina, 3330 Thurston Bldg, CB #7280 Chapel Hill NC USA
7. Departments of Medicine and Orthopaedics and Thurston Arthritis Research Center University of North Carolina, 3330 Thurston Bldg, CB #7280 Chapel Hill NC USA
8. Boston University School of Medicine Boston Massachusetts USA
9. Department of Epidemiology and Biostatistics University of California San Francisco San Francisco CA USA
10. Menzies Institute for Medical Research University of Tasmania Australia
11. MRC Lifecourse Epidemiology Unit, Southampton General Hospital University of Southampton Southampton United Kingdom
12. Centre for Sport, Exercise and Osteoarthritis Versus Arthritis Nottingham University Hopsitals, NG7 2UH United Kingdom
13. Centre for Statistics in Medicine, Nuffield Department of Orthopaedics Rheumatology and Musculoskeletal Sciences, Nuffield Orthopaedic Centre, University of Oxford Windmill Road Oxford OX3 7LD United Kingdom