[1] Univ Manchester, Manchester Acad Hlth Sci Ctr, Fac Biol Med & Hlth, Ctr Primary Care, Manchester, Lancs, England
[2] Univ Manchester, Manchester Acad Hlth Sci Ctr, Fac Biol Med & Hlth, Arthrit UK Ctr Epidemiol,Ctr Musculoskeletal Res, Manchester, Lancs, England