[1] Vrije Univ Amsterdam, Med Ctr, EMGO Inst, Amsterdam, Netherlands
[2] Erasmus Univ, Med Ctr, Dept Publ Hlth, Rotterdam, Netherlands
[3] Vrije Univ Amsterdam, Dept Sociol & Social Gerontol, Amsterdam, Netherlands
[4] Vrije Univ Amsterdam, Med Ctr, Dept Endocrinol, Amsterdam, Netherlands