1 Unit of Diagnostic Imaging and Interventional Radiology, Departmental Faculty of Medicine and Surgery, Fondazione Policlinico Universitario Campus Bio-Medico di Roma, Rome, Italy. Electronic address: m.parillo@unicampus.it.
2 Unit of Diagnostic Imaging and Interventional Radiology, Departmental Faculty of Medicine and Surgery, Fondazione Policlinico Universitario Campus Bio-Medico di Roma, Rome, Italy.