[1] Univ Amsterdam, Acad Med Ctr, Dept Clin Epidemiol & Biostat, NL-1105 AZ Amsterdam, Netherlands
[2] Univ Amsterdam, MRC, Epidemiol Resource Ctr, Amsterdam, Netherlands
[3] Univ Southampton, Dev Origins Adult Dis Ctr, Southampton, Hants, England
[4] Univ Amsterdam, Acad Med Ctr, Dept Internal Med, NL-1105 AZ Amsterdam, Netherlands
[5] Univ Amsterdam, Acad Med Ctr, Dept Obstet & Gynaecol, NL-1105 AZ Amsterdam, Netherlands
[6] Imperial Coll Sch Med, Wynn Dept Metab Med, London, England