1. Department of Radiology, Interventional Radiology Unit, E.O. Galliera Hospital, Mura delle Cappuccine, Genova, Italy
2. Department of Radiology and Interventional Radiology, IRCCS San Martino Policlinic University Hospital, Largo Rosanna Benzi, Genova, Italy
3. Department of Diagnostic Radiology, I.R.C.C.S. Cà Granda Foundation, Maggiore Policlinico Hospital, Via Francesco Sforza, Milano, Italy
4. Department of Diagnostic and Therapeutic Advanced Technology, Diagnostic and Interventional Radiology Unit, Azienda Socio Sanitaria Territoriale Santi Paolo and Carlo Hospital, Via A di Rudinì, Milano, Italy