Haemostasis, Thrombosis and Vascular Biology Unit, University of Birmingham Centre for Cardiovascular Science, City Hospital, Birmingham, UK

1Institute for Transfusion Medicine and Immunohematology, Red Cross Blood Donor Service Baden-Wuerttemberg-Hesse, Frankfurt/Main, Germany; 2Cell Biology and Biophysics Unit, European Molecular Biology Laboratory (EMBL), Heidelberg, Germany; 3Department of Biochemistry, Maastricht University, Cardiovascular Research Institute Maastricht (CARIM), Maastricht, The Netherlands

1Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA; 2Department of Biostatistics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA; 3Department of Pathology, Duke University Medical Center, Durham, North Carolina, USA; 4Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA

1Department of Medicine, University Hospital of North Norway, Tromsø, Norway; 2Center for Atherothrombotic Research in Tromsø (CART), Department of Medicine, Institute of Clinical Medicine, University of Tromsø, Tromsø, Norway; 3Department of Medicine, Institute of Clinical Medicine, University of Tromsø, Tromsø, Norway

1McMaster University, Hamilton General Hospital, Hamilton, Ontario, Canada; 2IMS Health, Falls Church, Virginia, USA; 3sanofi-aventis US, Bridgewater, New Jersey, USA

Division of Biomedical Engineering, School of Medicine, Oregon Health & Science University, Portland, Oregon, USA; 1Current address: Inter-Departmental Program for Polymer Engineering, Technion, Haifa 32000, Israel

Charles University in Prague, 1st Faculty of Medicine, Institute of Immunology and Microbiology, Czech Republic

The Amalia Biron Research Institute of Thrombosis and Hemostasis, Chaim Sheba Medical Center, Tel Hashomer, and Sackler Faculty of Medicine, Tel Aviv University, Israel

1Division of Cardiology, Department of Medicine, University of Washington School of Medicine, Seattle, Washington, USA; 2Department of Urology, University of Washington School of Medicine, Seattle, Washington, USA; 3Gladstone Institute of Cardiovascular Disease, University of California, San Francisco, California, USA

1Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, Leiden, The Netherlands; 2Department of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, The Netherlands; 3Center for Molecular and Vascular Biology, K.U. Leuven, Leuven, Belgium

1I. Department of Medicine, University Hospital of Mannheim, Mannheim, Germany; 2Institute for Clinical Chemistry, University Hospital of Mannheim, Mannheim, Germany