1 Section for Biostatistics and Evidence-Based Research, the Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen University Hospital, Copenhagen, Denmark and Department of Rheumatology and Clinical Immunology and Berlin Institute of Health, Charité - Universitätsmedizin Berlin and Epidemiology and Health Services Research, German Rheumatism Research Center (DRFZ), A Leibniz Institute, Berlin, Germany.
2 Department of Rheumatology and Clinical Immunology Charité - Universitätsmedizin Berlin and Translational Rheumatology, German Rheumatism Research Center (DRFZ), A Leibniz Institute, Berlin, Germany.
3 Department of Rheumatology and Clinical Immunology Charité - Universitätsmedizin Berlin and Translational Rheumatology, German Rheumatism Research Center (DRFZ), A Leibniz Institute and Fraunhofer Institute for Translational Medicine and Pharmacology, Allergology and Immunology Berlin, Germany and Department of Internal Medicine 3, Friedrich-Alexander-University Erlangen-Nürnberg and Universitätsklinikum Erlangen and Deutsches Zentrum Immuntherapie, Friedrich-Alexander-University Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany.
4 Department of Rheumatology and Clinical Immunology Charité - Universitätsmedizin Berlin, Berlin, Germany.
5 Department of Rheumatology and Clinical Immunology Charité - Universitätsmedizin Berlin and BIH Center for Regenerative Therapies, Berlin Institute of Health at Charité - Universitätsmedizin Berlin, Berlin, Germany.