1. Centre for Epidemiology Versus Arthritis, Division of Musculoskeletal and Dermatological Science, School of Biological Sciences, Faculty of Biological Medicine and Health, The University of Manchester, Manchester Academic Health Science Centre , Manchester, UK
2. Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds , Leeds, UK
3. National Institute for Health Research Leeds Biomedical Research Centre, Leeds Teaching Hospitals, University of Leeds , Leeds, UK
4. MRC Integrative Epidemiology Unit, University of Bristol , Bristol, UK
5. Population Health Sciences, Bristol Medical School, University of Bristol , Bristol, UK