1. Section of Radiology, Department of Surgery, University Hospital of Parma, Italy.

2. Department of Surgical Sciences University Hospital of Parma, Parma, Italy

3. Department of Surgical Sciences, Section of Diagnostic Imaging, University Hospital of Parma, Parma, Italy

4. Clinical Department of Radiological Sciences Sant’Orsola Malpighi Hospital, University of Bologna, Bologna, Italy

5. Department of Nuclear Medicine Azienda Ospedaliero-Universitaria di Parma, Parma, Italy.