[1] Sint Maartensklin, Rheumatol & Pharm, Nijmegen, Netherlands
[2] Sint Maartensklin, Rheumatol, Nijmegen, Netherlands
[3] NIVEL, Utrecht, Netherlands
[4] MUMC, Rheumatol, Maastricht, Netherlands
[5] ErasmusMC, Rheumatol, Rotterdam, Netherlands
[6] Reade, Rheumatol, Amsterdam, Netherlands
[7] MST, Rheumatol, Enschede, Netherlands