1 Clinical Division of Haematology and Haemostaseology, Dept of Medicine I, Comprehensive Cancer Center Vienna, Medical University of Vienna, Vienna, Austria.
2 Clinical Division of Oncology, Dept of Medicine, Comprehensive Cancer Center Graz, Medical University of Graz, Graz, Austria.
3 Clinical Division of Haematology and Haemostaseology, Dept of Medicine I, Comprehensive Cancer Center Vienna, Medical University of Vienna, Vienna, Austria cihan.ay@meduniwien.ac.at.
4 Dept of Medicine, Thrombosis and Hemostasis Program, McAllister Heart Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.