1 Post Graduate Department, Manchester Royal Infirmary, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK.
2 Centre for Epidemiology Versus Arthritis, University of Manchester, Manchester, UK.
3 ZiteLab, Copenhagen, Denmark.
4 Department of Rheumatology, Salford Royal Hospital, Northern Care Alliance, Manchester Academic Health Science Center, Salford, UK.
5 National Institute for Health Research Manchester Biomedical Research Centre, Manchester University NHS Foundation Trust, University of Manchester, Manchester, UK.
6 Centre for Musculoskeletal Research, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK.