[1] Univ Oxford, Nuffield Dept Orthopaed Rheumatol & Musculoskelet, NIHR Musculoskeletal Biomed Res Unit, Oxford, England
[2] Univ Southampton, MRC Lifecourse Epidemiol Ctr, Southampton, Hants, England
[3] Univ Southampton, NIHR Welcome Trust Clin Res Facil, Southampton, Hants, England
[4] Univ Autonoma Barcelona, Med Res Inst, Hosp del Mar, IMIM, Barcelona, Spain
[5] Inst Salud Carlos III, RETICEF, Barcelona, Spain