1. Department of Internal Medicine; Maastricht University; Maastricht The Netherlands
2. Heart and Vascular Center; Thrombosis Expert Center; Maastricht University; Maastricht The Netherlands
3. Center for Thrombosis and Haemostasis; Gutenberg University Medical Center; Mainz Germany
4. CARIM Cardiovascular Research School; Maastricht University; Maastricht The Netherlands
5. Central Diagnostic Laboratory; Maastricht University Medical Center, Maastricht University; Maastricht The Netherlands