[1] Western Gen Hosp, Clin Rheumatol, Edinburgh, Midlothian, Scotland
[2] Leiden Univ, Med Ctr, Rheumatol, Leiden, Netherlands
[3] Univ Hosp Leuven, Rheumatol, Leuven, Belgium
[4] Dartmouth Coll USA, Med, Hanover, CT USA
[5] Timaru Hosp, Rheumatol, Timaru, New Zealand
[6] Gilead Sci, Rheumatol, Foster City, CA USA
[7] Gilead Sci, Inflammat, Foster City, CA USA
[8] Gilead Sci, Biostat, Foster City, CA USA
[9] Galapagos NV, Rheumatol, Mechelen, Belgium
[10] Cosme Argerich Hosp, Rheumatol, Buenos Aires, DF, Argentina
[11] IRO Med Ctr, Buenos Aires, DF, Argentina
[12] Univ Amsterdam, Med Ctr, Rheumatol, Amsterdam, Netherlands
[13] Hokkaido Univ, Rheumatol, Sapporo, Hokkaido, Japan
[14] Charite Univ Med Berlin, Clin Rheumatol, Berlin, Germany