1. Taussig Cancer Institute; Cleveland Clinic Foundation; Cleveland OH USA
2. Department of Internal Medicine; Slotervaart Hospital; Amsterdam the Netherlands
3. Division of Hemostasis and Thrombosis; Beth Israel Deaconess Medical Center and Harvard Medical School; Boston MA USA
4. James P. Wilmot Cancer Center and Department of Medicine; University of Rochester; Rochester NY USA
5. Assistance Publique-Hôpitaux de Paris; Internal Medicine and Vascular Disease Unit; Saint-Louis Hospital; Paris France
6. INSERM U 796; Paris 7 Diderot University; Paris France
7. Clinical Division of Hematology and Hemostaseology; Department of Medicine I; Medical University of Vienna; Vienna Austria