[1] Univ Oxford, Botnar Res Ctr, Nuffield Dept Orthopaed, Oxford, England
[2] Sorbonne Univ, Inst Pierre Louis Epidemiol, INSERM UMR S 1136, Paris, France
[3] Sorbonne Univ, Hop Pitie Salpetriere, AP HP, Serv Rhumatol, Paris, France
[4] Ghent Univ Hosp, Dept Rheumatol, Ghent, Belgium
[5] AZ Sint Jan Brugge Oostende AV, Brugge, Belgium
[6] Univ Hosp Complex Pontevedra, Dept Rheumatol, Pontevedra, Spain
[7] Maxima Med Ctr, Reg Rheumatol Ctr, Eindhoven, Netherlands
[8] Dr M Welcker, MVZ Rheumatol, Planegg, Germany
[9] Adelphi Real World, Autoimmune Franchise, Bollington, England
[10] Galapagos NV, Evidence Generat, Mechelen, Belgium
[11] Galapagos NV, Med Affairs, Mechelen, Belgium
[12] Univ Milan, Dept Clin Sci & Community Hlth, Milan, Italy
[13] ASST Pini CTO, Div Clin Rheumatol, Milan, Italy
[14] Teaching Hosp Charite Univ Med, Dept Internal Med & Rheumatol, Scholsspk Klin, Berlin, Germany