[1] Altoona Ctr Clin Res, Duncansville, PA USA
[2] Inst Rheumatol, Prague, Czech Republic
[3] Charles Univ Prague, Clin Rheumatol, Fac Med 1, Prague, Czech Republic
[4] Arthrit Ctr Nebraska, Lincoln, NE USA
[5] Novartis Pharma AG, Basel, Switzerland
[6] Novartis Pharmaceut, E Hanover, NJ USA
[7] Southwest Arthrit Res Grp, Mesquite, TX USA