[1] Univ Copenhagen, Gentofte Hosp, Dept Internal Med F, DK-2900 Hellerup, Denmark
[2] Univ Copenhagen, Panum Inst, Dept Biomed Sci, DK-2900 Hellerup, Denmark
[3] Univ Copenhagen, Hvidovre Hosp, Dept Endocrinol, DK-2900 Hellerup, Denmark
[4] Univ Copenhagen, Bispebjerg Hosp, Dept Endocrinol, DK-2900 Hellerup, Denmark