[1] Ruhr Univ Bochum, Rheumazentrum Ruhrgebiet Herne, Herne, Germany
[2] Hop Cochin, Dept Rheumatol, Paris, France
[3] Norfolk & Norwich Univ Hosp NHS Trust, Dept Rheumatol, Norwich, Norfolk, England
[4] Royal Natl Hosp Rheumat Dis, Dept Rheumatol, Bath, Avon, England
[5] Case Western Reserve Univ, MetroHlth Med Ctr, Cleveland, OH 44106 USA
[6] UCB Pharma, Brussels, Belgium
[7] UCB Pharma, Raleigh, NC USA
[8] UCB Pharma, Slough, Berks, England
[9] Oregon Hlth & Sci Univ, Div Arthrit & Rheumat Dis, Portland, OR 97201 USA