1 Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, United Kingdom.
2 National Institute for Health and Care Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, United Kingdom.
3 Immunology Core Facility, Gemelli Science Technological Park, GSTeP, Fondazione Policlinico Universitario A. Gemelli Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy.
4 Division of Rheumatology, Fondazione Policlinico Universitario A. Gemelli Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS)-Università Cattolica del Sacro Cuore, Rome, Italy.
5 Rheumatology Unit, Department of Medicine, Karolinska Institute, Stockholm, Sweden.