1. Division of Angiology and Haemostasis; Faculty of Medicine; University Hospitals of Geneva; Geneva Switzerland
2. Institute of Cardiology; Jagiellonian University Medical College; John Paul II Hospital; Cracow Poland
3. Department of Medicine and Medical Specialities; Angelo Bianchi Bonomi Hemophilia and Thrombosis Center; University of Milan; IRCCS Maggiore Hospital; Milan Italy
4. Department of Haematology; Central Manchester University Hospitals NHS Foundation Trust; Manchester UK
5. Faculty of Medicine; University Hospitals of Geneva; Geneva Switzerland