1Division of Rheumatology, Department of Medicine 3, Medical University of Vienna, Waehringer Guertel 18–20, A-1090 Vienna, Austria
2Department of Internal Medicine/Rheumatology, University Hospital Maastricht, Maastricht, The Netherlands
3Department of Rheumatology, Leiden University Medical Centre, Leiden, The Netherlands
4Rheumatology B Department, Paris Descartes University, Cochin Hospital, Paris, France
5Section of Musculoskeletal Disease, Leeds Institute of Molecular Medicine, University of Leeds, Leeds, UK
6Pierre et Marie Curie University-Paris VI, APHP, Rheumatology, Pitié-Salpétrière Hospital, Paris, France
72nd Department of Medicine, Hietzing Hospital, Vienna, Austria
8Division of Rheumatology, Department of Medicine 3, Medical University of Vienna, Vienna, Austria
9Department of Rheumatology and Clinical Immunology, University Medical Center Utrecht, Utrecht, The Netherlands
10Department of Rheumatology and Clinical Immunology, Humboldt University, Charité Hospital, Berlin, Germany
11Service d'Immuno-Rhumatologie, Montpellier University, Lapeyronie Hospital, Montpellier, France
12Academic Clinical Unit of Rheumatology, Department of Internal Medicine, University of Genova, Genova, Italy
13Division of Rheumatology, University Hospitals, Geneva, Switzerland
14Santiago University Clinical Hospital, Santiago University School of Medicine, Santiago de Compostela, Spain
15EULAR Standing Committee of People with Arthritis/Rheumatism in Europe, Zurich, Switzerland
16Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway
17La Paz Hospital, Madrid, Spain
18University of Glasgow, Glasgow, UK
19Institute of Rheumatology and Clinic of Rheumatology, Charles University, Prague, Czech Republic
20Department of Rheumatology, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
21King's College School of Medicine, Weston Education Centre, London, UK
22Department of Rheumatology, Jyväskylä Central Hospital, Jyväskylä, Finland
23Rheumatology Unit, Department of Clinical Medicine and Medical Therapy, Sapienza Università di Roma, Rome, Italy
24Rheumatology Unit, Department of Medicine, Karolinska Institutet, Karolinska University Hospital, Solna, Sweden
25Oregon Health and Science University, Portland, Oregon, USA
26Division of Clinical Decision Making, Informatics and Telemedicine, Tufts University School of Medicine, Boston, Massachusetts, USA
27German Rheumatism Research Centre and Charité University Medicine, Berlin, Germany