[1] Univ Southampton, MRC Lifecourse Epidemiol Unit, Southampton SO16 6YD, Hants, England
[2] Univ Oxford, NIHR Musculoskeletal Biomed Res Unit, Oxford, England
[3] Univ Southampton, NIHR Southampton Biomed Res Ctr, Southampton SO16 6YD, Hants, England
[4] Univ Hosp Southampton NHS Fdn Trust, Southampton, Hants, England