1. Rheumazentrum Ruhrgebiet, Herne and Ruhr-University Bochum, Germany
2. Division of Arthritis & Rheumatic Diseases, Oregon Health & Science University, Portland, OR, USA
3. Department of Rheumatology, Med. Department I, Benjamin Franklin, Charité Universitätsmedizin Berlin, Berlin, Germany
4. Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds & NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
5. Novartis Pharma AG, Basel, Switzerland
6. Novartis Pharmaceuticals Corporation, East Hanover, NJ, USA