[1] Univ Leeds, Leeds Inst Rheumat & Musculoskeletal Med, Leeds, W Yorkshire, England
[2] Leeds Teaching Hosp NHS Trust, Leeds Musculoskeletal Biomed Res Unit, Leeds, W Yorkshire, England
[3] Univ Washington, Seattle, WA 98195 USA
[4] Guys & St Thomas NHS Fdn Trust, London, England
[5] RTI Hlth Solut, Res Triangle Pk, NC USA
[6] Novartis Pharma AG, Basel, Switzerland
[7] Novartis Pharmaceut, E Hanover, NJ USA