1. Department of Hematology and Transfusiology National Centre of Hemostasis and Thrombosis Jessenius Faculty of Medicine in Martin Comenius University in Bratislava Martin Slovakia
2. Department of Clinical Epidemiology Leiden University Medical Centre Leiden The Netherlands
3. Einthoven Laboratory for Experimental Vascular Medicine Leiden University Medical Centre Leiden The Netherlands
4. Department of Thrombosis and Hemostasis Leiden University Medical Centre Leiden the Netherlands