1. Institute of Clinical Chemistry and Laboratory Medicine, Center for Diagnostics, University Medical Center Hamburg-Eppendorf, Germany (R.K.M., S.K., L.Z., H.T., M.B., M.F., T.R.).
2. Cardiovascular Medicine Unit, Department of Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden (R.K.M., D.F.J.K., G.K.H.).
3. Department of Cardiovascular and Renal Research, Institute of Molecular Medicine, University of Southern Denmark, Odense (D.F.J.K.).
4. Irish Centre for Vascular Biology, School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin (T.R.).
5. Center for Thrombosis and Hemostasis, Johannes Gutenberg University Medical Center, Mainz, Germany (T.R.).