1 Department of Academic Rheumatology, King's College London, London, UK.
2 Department of Rheumatology, Whittington Hospital, London, UK.
3 Division of Rheumatology, Department of Internal Medicine, Medical University Vienna, Vienna, Austria.
4 Rheumatology Unit, Department of Medicine, University of Perugia, Perugia, Italy.
5 Department of Molecular Rheumatology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland.
6 School of Biological Sciences, Faculty of Biology, Medicine and Health, Arthritis Research UK Centre for Epidemiology, Centre for Musculoskeletal Research, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK.
7 Department of Rheumatology, Inflammation-Immunopathology-Biotherapy Department, Pierre and Marie Curie University, Saint-Antoine hospital, Sorbonne University, Paris, France.