1. Department of Clinical Immunology and Rheumatology, Amsterdam Rheumatology and Immunology Center, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands;
2. Department of Experimental Immunology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands;
3. GlaxoSmithKline, Cambridge, United Kingdom;
4. GlaxoSmithKline, Stevenage, United Kingdom;
5. Department of Rheumatology, Ghent University, Ghent, Belgium; and
6. ‖Department of Rheumatology, University of Cambridge, Cambridge, United Kingdom