1. From Clinical Cardiology (V.P., A.B.), Thrombosis Centre, University Hospital, Padova; Internal and Vascular Medicine (P.G.), University Hospital, Perugia; Internal Medicine (F.M., D.B.), University Hospital, Cagliari; Tranfusion Medicine (N.E.), District Hospital, Merate; Clinical Pathology (F.V.), District Hospital, Massa; Vascular Medicine (A.G.), District Hospital, Reggio Emilia; and Angelo Bianchi Bonomi Hemophilia and Thrombosis Center (A.T.), University and IRCCS Maggiore Hospital, Milano,...