1. Department of Clinical Biochemistry; Copenhagen University Hospital Naestved Slagelse Ringsted; Naestved Denmark
2. The Danish General Suburban Population Study; Copenhagen University Hospital Naestved Slagelse Ringsted; Naestved Denmark
3. Department of Science and Environment; University of Roskilde; Roskilde Denmark
4. Department of Clinical Biochemistry; Copenhagen University Hospital; Herlev and Gentofte Hospital; Herlev Denmark
5. The Copenhagen General Population Study; Copenhagen University Hospital; Herlev and Gentofte Hospital; Herlev Denmark
6. The Faculty of Health and Medical Sciences; University of Copenhagen; Copenhagen Denmark
7. The Copenhagen City Heart Study; Copenhagen University Hospital; Frederiksberg Hospital; Frederiksberg Denmark
8. Department of Production; Research and Innovation; Region Zealand Sorø Denmark
9. Department of Laboratory Medicine; Boston Children's Hospital; Boston MA USA