University of Insubria - Department of Medicine and Surgery, University of Insubria - Department of Medicine and Surgery, AUSL Romagna - SSA Angiology and Vascular Medicine, University of Padua - Angiology Unit, University of Insubria - Department of Medicine and Surgery, Azienda Unità Sanitaria Locale (AUSL) - IRCCS di Reggio Emilia - Cardiovascular Medicine, Villa Serena Hospital - Angiology Unit, Regione Veneto - Department of Medicine, Arianna Foundation on Anticoagulation, Regione Emilia-Romagna - Division of Pancreatic Surgery, Regione Veneto - Angiology and Arianna Foundation on Anticoagulation