[1] Univ Glasgow, Inst Infect Immun & Inflammat, Glasgow, Lanark, Scotland
[2] Med Univ Vienna, Med 3, Vienna, Austria
[3] Diakonhjemmet Hosp, Rheumatol, Oslo, Norway
[4] Novartis Pharmaceut, Clin Dev, E Hanover, NJ USA
[5] Novartis Pharma AG, Immunol & Dermatol, Basel, Switzerland
[6] RTI Hlth Solut, Biostat, Barcelona, Spain