[1] Med Univ Vienna, Vienna, Austria
[2] Univ Nebraska Med Ctr, Omaha, NE USA
[3] Kings Coll London, Ctr Rheumat Dis, London, England
[4] Justus Liebig Univ Giessen, Bad Nauheim, Germany
[5] Univ Alabama Birmingham, Hoover, AL USA
[6] Osaka Metropolitan Univ, Osaka, Japan
[7] Keio Univ, Dept Internal Med, Tokyo, Japan
[8] Cardiff Univ Sch Med, Cardiff, Wales
[9] Univ Occupat & Environm Hlth, Dept Internal Med, Kitakyushu, Fukuoka, Japan
[10] UCB Pharma, Madrid, Spain
[11] UCB Pharma, Brussels, Belgium
[12] UCB Pharma, Slough, Berks, England
[13] UCB Pharma, Istanbul, Turkiye
[14] Univ Oxford, Oxford, England