[1] Sorbonne Univ, Paris, France
[2] Univ Glasgow, Glasgow, Lanark, Scotland
[3] Janssen, Breda, Netherlands
[4] Univ Hosp, Leuven, Belgium
[5] Univ Cattolica Sacro Cuore, Fdn Policlin Gemelli IRCCS, Rome, Italy
[6] Hosp 12 Octubre, Madrid, Spain
[7] Nasonova Res Inst Rheumatol, Moscow, Russia
[8] Janssen, Brussels, Belgium
[9] Vrije Univ Amsterdam, Med Ctr, Amsterdam, Netherlands
[10] Reade, Amsterdam, Netherlands
[11] Univ Athens, Med Sch, Athens, Greece
[12] Janssen, Solna, Sweden
[13] Med Univ Vienna, Vienna, Austria