1. Department of Clinical Biochemistry, Herlev and Gentofte Hospital, Copenhagen University Hospital, Herlev Ringvej 75, DK Herlev, Denmark
2. The Copenhagen General Population Study, Herlev and Gentofte Hospital, Copenhagen University Hospital, DK Herlev, Denmark
3. Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
4. Copenhagen City Heart Study, Frederiksberg Hospital, Copenhagen University Hospital, DK Frederiksberg, Denmark