[1] OptumInsight, Stockholm, Sweden
[2] Univ Cambridge, Addenbrookes Hosp, Dept Med, Cambridge CB2 2QQ, England
[3] Univ Southampton, MRC Lifewurse Epidemiol Unit, Southampton, Hants, England
[4] Univ Oxford, Inst Musculoskeletal Sci, NIHR Musculoskeletal Biomed Res Unit, Oxford, England
[5] Int Osteoporosis Fdn, Nyon, Switzerland
[6] No Gen Hosp, Acad Unit Bone Metab, Sheffield S5 7AU, S Yorkshire, England
[7] Univ Sheffield, WHO Collaborating Ctr Metab Bone Dis, Sheffield S10 2RX, S Yorkshire, England
[8] Stockholm Sch Econ, S-11383 Stockholm, Sweden
[9] Mater Dei Hosp, Dept Obstet & Gynaecol, Msida, Malta
[10] Univ Sheffield, WHO Collaborating Ctr Metab Bone Dis, Sch Med, Beech Hill Rd, Sheffield S10 2RX, S Yorkshire, England