1 Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds and NIHR Leeds Musculoskeletal Biomedical Research Unit, Leeds Teaching Hospitals NHS Trust, Leeds, UK.
2 John Hopkins University, Baltimore, USA.
3 Weill Cornell Medical College, Division of Rheumatology, Hospital for Special Surgery, New York, USA.
4 Division of Rheumatology, David Geffen School of Medicine at UCLA, Los Angeles, USA.
5 Université Paris-Sud, Hôpitaux Universitaires Paris-Sud, AP-HP, INSERM U1184, Le Kremlin Bicêtre, France.
6 Leiden University Medical Centre, Leiden, The Netherlands.
7 Unit for Clinical Therapy Research, Inflammatory Disease, Karolinska Institute, Stockholm, Sweden.
8 UCB Pharma, Brussels, Belgium.
9 UCB Pharma, Raleigh, USA.
10 Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, Boston, USA.