1. Institute of Clinical Chemistry, University Hospital Zurich and University of Zurich , Zurich , Switzerland
2. Department of Clinical Biochemistry, Copenhagen University Hospital, Herlev and Gentofte Hospital , Herlev , Denmark
3. The Copenhagen General Population Study, Copenhagen University Hospital, Herlev and Gentofte Hospital , Herlev , Denmark
4. Institute of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen , Copenhagen , Denmark
5. Lipoprotein Metabolism Section, Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health , Bethesda, MD , USA
6. Department of Pharmacological and Biomolecular Sciences, University of Milan , Milan , Italy
7. IRCCS MultiMedica, Sesto S. Giovanni , Milan , Italy