1. Department of Thrombosis and Haemostasis; Leiden University Medical Centre; Leiden The Netherlands
2. Department of Internal Medicine; Haga Teaching Hospital; The Hague The Netherlands
3. Department of Vascular Medicine; Amsterdam University Medical Center; Amsterdam The Netherlands
4. Department of Internal Medicine; Flevo Hospital; Almere The Netherlands
5. Department of Radiology; Academic Medical Centre; Amsterdam The Netherlands
6. Department of Radiology; Leiden University Medical Centre; Leiden The Netherlands
7. Department of Radiology; Haga Teaching Hospital; The Hague The Netherlands