1 Clinica Medica ASUITs, Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy. Electronic address: filippome@libero.it.
2 Clinica Medica ASUITs, Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy.
3 Department of Radiology, University of Trieste, Strada di Fiume 447, IT-34149, Trieste, Italy.
4 Division of General Surgery, Department of Medical and Surgical Sciences, Hospital of Cattinara, University of Trieste, Strada di Fiume 447, 34149, Trieste, Italy.