[1
]
Department of Surgical Sciences, University of Cagliari, Cittadella Universitaria,
SS554, Bivio Sestu, 09042, Monserrato (CA), Italy. Electronic address: pgcalo@unica.it.
[2
]
Department of Surgical Sciences, University of Cagliari, Cittadella Universitaria,
SS554, Bivio Sestu, 09042, Monserrato (CA), Italy. Electronic address: fabiomedas@gmail.com.
[3
]
Università degli Studi della Campania "Luigi Vanvitelli" - School of Medicine, Division
of General Surgery and Surgical Oncology, Via Gen.G.Orsini 42, 80132, Naples, Italy.
Electronic address: Giovanni.CONZO@unina2.it.
[4
]
Department of Surgical Sciences, University of Cagliari, Cittadella Universitaria,
SS554, Bivio Sestu, 09042, Monserrato (CA), Italy. Electronic address: frapodda@gmail.com.
[5
]
Department of Surgical Sciences, University of Cagliari, Cittadella Universitaria,
SS554, Bivio Sestu, 09042, Monserrato (CA), Italy. Electronic address: gianlu_5@hotmail.it.
[6
]
Università degli Studi della Campania "Luigi Vanvitelli" - School of Medicine, Division
of General Surgery and Surgical Oncology, Via Gen.G.Orsini 42, 80132, Naples, Italy.
Electronic address: claudiog86@hotmail.it.
[7
]
Department of Surgical Sciences, University of Cagliari, Cittadella Universitaria,
SS554, Bivio Sestu, 09042, Monserrato (CA), Italy. Electronic address: gpisano@unica.it.
[8
]
Department of Surgical Sciences, University of Cagliari, Cittadella Universitaria,
SS554, Bivio Sestu, 09042, Monserrato (CA), Italy. Electronic address: enricoerdas@medicina.unica.it.
[9
]
Department of Surgical Sciences, University of Cagliari, Cittadella Universitaria,
SS554, Bivio Sestu, 09042, Monserrato (CA), Italy. Electronic address: nicolosi@unica.it.