1. Department of Thrombosis and Hemostasis; Leiden University Medical Center; Leiden the Netherlands
2. Center for Thrombosis and Hemostasis (CTH); University Medical Center Mainz; Mainz Germany
3. Department of Internal Medicine and Cardiology; Medical University of Warsaw; Warsaw Poland
4. Department of Cardiology; Leiden University Medical Center; Leiden the Netherlands
5. Clinic of Cardiology and Pneumology; Heart Center; Georg-August University of Göttingen; Göttingen Germany