1. Institute of Hematology; Department of Medical Sciences; Catholic University; Rome Italy
2. Atherosclerosis and Thrombosis Unit; IRCCS Casa Sollievo della Sofferenza; S. Giovanni Rotondo Foggia Italy
3. A. Bianchi Bonomi Hemophilia and Thrombosis Center; Department of Internal Medicine and Medical Specialities; Fondazione IRCCS Ca' Granda - Ospedale Maggiore Policlinico; Milan Italy