**Author details**

Angelo Guttadauro<sup>1</sup> \*, Matteo Maternini<sup>1</sup> , Nicoletta Pecora<sup>1</sup> , Marco Chiarelli<sup>2</sup> , Valentina Riggio<sup>3</sup> and Francesco Gabrielli1

\*Address all correspondence to: angelo.guttadauro@unimib.it

1 Department of Medicine and Surgery, General Surgery Unit, Istituti Clinici Zucchi, University of Milano-Bicocca, Monza, Italy

2 General Surgery Unit, Ospedale di Lecco, Italy

3 Department of Medicine and Surgery, University of Milano-Bicocca, Italy
