1. Department of Clinical Biochemistry; Herlev Hospital; Copenhagen University Hospital; Herlev Denmark
2. The Copenhagen General Population Study; Herlev Hospital; Copenhagen University Hospital; Denmark
3. The Faculty of Health and Medical Sciences; University of Copenhagen; Copenhagen Denmark
4. Department of Clinical Biochemistry; Gentofte Hospital; Copenhagen University Hospital; Copenhagen Denmark
5. Department of Clinical Biochemistry; Rigshospitalet; Copenhagen University Hospital; Copenhagen Denmark
6. The Copenhagen City Heart Study; Bispebjerg Hospital; Copenhagen University Hospital; Copenhagen Denmark