[1] MUMC, Rheumatol, Maastricht, Netherlands
[2] CAPHRI, Maastricht, Netherlands
[3] Amsterdam Rheumatol Ctr, Amsterdam, Netherlands
[4] Hosp Garcia de Orta, Rheumatol, Almada, Portugal
[5] Catharina Hosp, Internal Med, Eindhoven, Netherlands
[6] Atrium Med Ctr, Rheumatol, Heerlen, Netherlands
[7] LUMC, Rheumatol, Leiden, Netherlands
[8] Ghent Univ Hosp, Rheumatol, Ghent, Belgium
[9] Paris Descartes Univ, Cochin Hosp, Rheumatol, Paris, France