1 Department of Rheumatology, London Northwest University Healthcare NHS Trust, London, UK.
2 Department of Rheumatology, Medical College of Wisconsin, Milwaukee, WI, USA.
3 Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA.
4 Department of Rheumatology, St James's Hospital, Dublin, Ireland.
5 Department of Rheumatology, Department of Clinical Pharmacology and Therapeutics, Austin Health, Melbourne, VIC, Australia; Department of Medicine, University of Melbourne, Melbourne, VIC, Australia.
6 Clinical Immunology and Rheumatology Wing, Department of Internal Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
7 Massachusetts General Hospital Rheumatology Unit, Harvard Medical School, Harvard University, Boston, MA, USA.
8 Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK; Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK.
9 Centre for Inflammation and Tissue Repair, UCL Respiratory, Division of Medicine, University College London, London WC1E 6JF, UK; Department of Rheumatology, University College London Hospital NHS Trust, London, UK. Electronic address: puja.mehta@ucl.ac.uk.