[1] LUMC, Rheumatol, Leiden, Netherlands
[2] Haga Hosp, Rheumatol, The Hague, Netherlands
[3] Bronovo, Rheumatol, The Hague, Netherlands
[4] Franciscus Hosp, Rheumatol, Roosendaal, Netherlands
[5] Vrije Univ Amsterdam Med Ctr, Amsterdam Rheumatol & Immunol Ctr, Rheumatol, Amsterdam, Netherlands