[1] Catholic Univ Australia, Inst Hlth & Aging, Melbourne, Vic, Australia
[2] Icelandic Heart Assoc, Res Inst, Kopavogur, Iceland
[3] Univ Southampton, MRC Lifecourse Epidemiol Unit, Southampton, Hants, England
[4] Univ Sheffield, Ctr Metab Bone Dis, Sheffield, S Yorkshire, England