1 Division of Rheumatology, Geneva University Hospitals and Faculty of Medicine, University of Geneva, Geneva, Switzerland Kim.Lauper@hcuge.ch.
2 Centre for Epidemiology Versus Arthritis, Centre for Musculoskeletal Research, University of Manchester, Manchester, UK.
3 Department of Rheumatology and Clinical Immunology, UMC Utrecht, Utrecht, Netherlands.
4 Department of Rheumatology and Clinical Immunology, Charité - Universitätsmedizin Berlin, Freie Universitität und Humboldt-University Berlin, Berlin, Germany.