[1] Department of Surgical and Anatomical Sciences, Division of General and Vascular Surgery, University of Palermo, Palermo
[2] Department of Surgical and Anatomical Sciences, Division of General and Vascular Surgery, University of Palermo, Palermo
[3] Department of Surgical and Anatomical Sciences, Division of General and Vascular Surgery, University of Palermo, Palermo
[4] Department of Surgical and Anatomical Sciences, Division of General and Vascular Surgery, University of Palermo, Palermo
[5] Department of Surgical and Anatomical Sciences, Division of General and Vascular Surgery, University of Palermo, Palermo
[6] Department of Surgical and Anatomical Sciences, Division of General and Vascular Surgery, University of Palermo, Palermo
[7] Department of Surgical and Anatomical Sciences, Division of General and Vascular Surgery, University of Palermo, Palermo