1 Department of Clinical Biochemistry, Herlev and Gentofte Hospital, Copenhagen University Hospital, Borgmester Ib Juuls Vej 1, Entrance 7, 4th Floor, N5, Herlev DK-2730, Denmark.
2 The Copenhagen General Population Study, Herlev and Gentofte Hospital, Copenhagen University Hospital, Borgmester Ib Juuls Vej 1, Entrance 7, 4th Floor, M3, Herlev DK-2730, Denmark.
3 Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Blegdamsvej 3b 33.5., Copenhagen DK-2200, Denmark.