1 Full Professor of Radiology, Department of Surgical and Biomedical Sciences, Chairman of Diagnostic Imaging Division, Santa Maria Della Misericordia Hospital, University of Perugia, Perugia, Italy.
2 Full Professor of Radiology, Department of Surgical and Biomedical Sciences, Chairman of Diagnostic Imaging Division,, Santa Maria Della Misericordia Hospital, University of Perugia, Perugia, Italy.
3 Division of Radiology 1, Santa Maria Della Misericordia Hospital, University of Perugia, Perugia, Italy.
4 Department of Radiology, Roswell Park Cancer Institute, Radiology, Buffalo, NY, USA.
5 Division of Radoiology, Santa Maria Hospital of Terni, Terni, Italy.