1 Centre for Inflammation and Tissue Repair, UCL Respiratory, Division of Medicine, University College London Hospital, London WC1E 6JF, UK.
2 Department of Rheumatology, University College London Hospital, London WC1E 6JF, UK.
3 Department of Endocrinology, Imperial College London, London, UK.
4 Rheumatology Service, Lancashire and South Cumbria NHS Foundation Trust, Preston, UK.
5 Leeds Centre for Diabetes and Endocrinology, Leeds Teaching Hospitals NHS Trust, Leeds, UK.
6 Department of Endocrinology, Northampton General Hospital, Northampton, UK.
7 Centre for Adolescent Rheumatology, University College London Hospital, London WC1E 6JF, UK.
8 Department of Endocrinology, University College London Hospital, London WC1E 6JF, UK.
9 Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds and Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK.