- 
            L. Terslev 1
                   
                  Department of Rheumatology, University of Copenhagen, Hospitals at Glostrup, Copenhagen,
               Denmark 
- 
            M. A. D’Agostino 2
                   
                  Paris Ouest-Versailles-Saint Quentin en Yvelines University; EA 2506, Rheumatology
               Department Ambroise-Paré Hospital, APHP, Boulogne-Billancourt, France 
- 
            M. Brossard 2
                   
                  Paris Ouest-Versailles-Saint Quentin en Yvelines University; EA 2506, Rheumatology
               Department Ambroise-Paré Hospital, APHP, Boulogne-Billancourt, France 
- 
            P. Aegerter 3
                   
                  Paris Ouest-Versailles-Saint Quentin en Yvelines University; EA 2506, Public Health
               Department Ambroise-Paré-Hospital, APHP, Boulogne-Billancourt, France 
- 
            P. Balint 4
                   
                  National Institute of Rheumatology and Physiotherapy, 3rd Department of Pediatric
               and General Rheumatology Budapese, Hungary 
- 
            M. Backhaus 5
                   
                  Department of Rheumatology and Clinical Immunology, Charité, Berlin, Gremany 
- 
            G. A. Bruyn 6
                   
                  MC Groep hospitals, Lelystad, Netherlands 
- 
            I. Chary-Valckenare 7
                   
                  Department of Rheumatology, University of Nancy, Le Brabois Hospital, Nancy, France 
- 
            E. Filippucci 8
                   
                  Cattedra di Reumatologia, Università Politecnica delle Marche, Ancona, Italy 
- 
            J. Freeston 9
                   
                  LIMM Section of Musculoskeletal Disease, University of Leeds, Chapel Allerton Hospital,
               Leeds, England 
- 
            F. Gandjbakhch 10
                   
                  Department of Rheumatology, la Pitié-Salpêtrière Hospital, APHP, Paris, France 
- 
            A. Iagnocco 11
                   
                  Rheumatology Unit, Clinica e Terapia Medica Department, Sapienza Università di Roma,
               Rome, Italy 
- 
            S. Jousse-Joulin 12
                   
                  Rheumatology Department, La Cavale Blanche Brest Teaching Hospital, Brest, France 
- 
            P. Mandl 4
                   
                  National Institute of Rheumatology and Physiotherapy, 3rd Department of Pediatric
               and General Rheumatology Budapese, Hungary 
- 
            I. Möller 13
                   
                  Instituto Poal de Reumatologia, Barcelona, Spain 
- 
            E. Naredo 14
                   
                  Rheumatology Department, Hospital Severo Ochoa, Madrid, Spain 
- 
            M. Szkudlarek 15
                   
                  Department of Rheumatology, University of Copenhagen Hospital at Koege, Koege, Denmark 
- 
            R. J. Wakefield 9
                   
                  LIMM Section of Musculoskeletal Disease, University of Leeds, Chapel Allerton Hospital,
               Leeds, England 
- 
            A. Zayat 9
                   
                  LIMM Section of Musculoskeletal Disease, University of Leeds, Chapel Allerton Hospital,
               Leeds, England 
- 
            W. A. Schmidt 16
                   
                  Immanuel Krankenhaus Berlin, Medical Centre for Rheumatology Berlin-Buch, Berlin,
               Germany