1. Department of Cardiology, Herlev and Gentofte Hospital, University of Copenhagen, Kildegårdsvej 28, Post 835, DK Copenhagen, Denmark
2. The Copenhagen City Heart Study, Frederiksberg Hospital, University of Copenhagen, Copenhagen, Denmark
3. Institute of Clinical Medicine, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
4. Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark