[1] Univ Cambridge, Dept Med, Cambridge, England
[2] Ohio State Univ, Dept Internal Med Nephrol, Columbus, OH 43210 USA
[3] Org Med Invest, Rheumatol, Buenos Aires, DF, Argentina
[4] Zucker Sch Med Hofstra Northwell, Div Rheumatol, Great Neck, NY USA
[5] Clin Univ St Luc, Brussels, Belgium
[6] Catholic Univ Louvain, Inst Rech Expt & Clin, Serv Rhumatol, Brussels, Belgium
[7] AstraZeneca, BioPharmaceut R&D, Gothenburg, Sweden
[8] AstraZeneca, BioPharmaceut R&D, Gaithersburg, MD USA
[9] AstraZeneca, BioPharmaceut R&D, San Francisco, CA USA