1. Department of Clinical Epidemiology; Leiden University Medical Centre; Leiden the Netherlands
2. Einthoven Laboratory for Experimental Vascular Medicine; Leiden University Medical Centre; Leiden the Netherlands
3. Department of Internal Medicine, Section Thrombosis and Haemostasis; Leiden University Medical Centre; Leiden the Netherlands
4. Department of Haematology; University Medical Centre Groningen; Groningen the Netherlands
5. K.G. Jebsen Thrombosis Research and Expertise Centre; Department of Clinical Medicine; UiT - The Arctic University of Norway; Tromsø Norway
6. Department of Medical Statistics; Leiden University Medical Centre; the Netherlands