1. Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Department of Rheumatology and Clinical Immunology, Berlin, Germany, Section for Biostatistics and Evidence-Based Research, the Parker Institute, Bispebjerg and Frederiksberg Hospital, Frederiksberg, Denmark (A.P.)
2. Section for Biostatistics and Evidence-Based Research, the Parker Institute, Bispebjerg and Frederiksberg Hospital, Frederiksberg, and Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Odense, Denmark (S.M.N.)
3. Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Department of Rheumatology and Clinical Immunology, Berlin, Germany (Z.B., J.O., F.B.)
4. Department of Epidemiology and Data Science, Amsterdam UMC, Vrije Universiteit Amsterdam, the Netherlands (L.H.)
5. Lund University, Faculty of Medicine, Department of Clinical Sciences Lund, Rheumatology, Lund, Sweden (B.S.)
6. Division of Gastroenterology and Rheumatology, Department of Medicine Huddinge, Karolinska Institutet, and Karolinska University Hospital, Stockholm, Sweden (I.H.)
7. Rheumazentrum Ratingen, Ratingen, Germany (S.W.)
8. CREATE Centre, Section of Rheumatology, Cardiff University, Cardiff, United Kingdom (E.C.)
9. University of Bristol, Bristol, United Kingdom (J.K.)
10. Section for Biostatistics and Evidence-Based Research, the Parker Institute, Bispebjerg and Frederiksberg Hospital, Research Unit of Rheumatology, Frederiksberg, and Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Odense, Denmark (R.C.)
11. Department of Epidemiology and Data Science, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands (M.B.).