1. Department of Cardiology, Aarhus University Hospital, Aarhus, Denmark
2. Department of Clinical Biochemistry, Herlev and Gentofte Hospital, Copenhagen University Hospital, Herlev, Denmark
3. The Copenhagen General Population Study, Herlev and Gentofte Hospital, Copenhagen University Hospital, Herlev, Denmark
4. Department of Internal Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
5. Department of Clinical Biochemistry, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark