[1] Univ Copenhagen, Fac Hlth & Med Sci, Dept Clin Biochem, Herlev & Gentofte Hosp,Copenhagen Univ Hosp, Copenhagen, Denmark
[2] Univ Copenhagen, Fac Hlth & Med Sci, Copenhagen Gen Populat Study, Herlev & Gentofte Hosp,Copenhagen Univ Hosp, Copenhagen, Denmark
[3] Copenhagen Univ Hosp, Herlev & Gentofte Hosp, Dept Clin Biochem, Herlev Ringvej 75, DK-2730 Herlev, Denmark
[4] Copenhagen Univ Hosp, Herlev & Gentofte Hosp, Copenhagen Gen Populat Study, Herlev, Denmark