[1] Univ Groningen, Univ Med Ctr Groningen, Dept Rheumatol & Clin Immunol, Groningen, Netherlands
[2] GlaxoSmithKline, Clin Sci, Stevenage, Herts, England
[3] GlaxoSmithKline, Clin Pharmacol & Expt Med, Stevenage, Herts, England
[4] GlaxoSmithKline, R&D Biostat, Stevenage, Herts, England
[5] GlaxoSmithKline, R&D Biostat, Bangalore, India
[6] GlaxoSmithKline, Clin Sci, London, England
[7] GlaxoSmithKline, Clin Dev, Collegeville, PA USA
[8] GlaxoSmithKline, R&D, Collegeville, PA USA