1 Departmental Faculty of Medicine and Surgery, Unit of Diagnostic Imaging and Interventional Radiology, Università Campus Bio-Medico di Roma, Rome, Italy.
2 Division of Diagnostic Radiology, Rovereto Hospital, Azienda Provinciale per i Servizi Sanitari, Trento, Italy.
3 Department of Interventional Radiology, "S. Maria Goretti" Hospital, Latina, Italy.