**Author details**

Spyridon Davakis1 \*, Michail Vailas1 , Alexandros Kozadinos1 , Panagiotis Sakarellos1 , Anastasia Karampa2 , Dimitrios Korkolis3 , Georgios Glantzounis2 , Alexandros Papalampros1 and Evangelos Felekouras1

1 First Department of Surgery, Laiko General Hospital, National and Kapodistrian University of Athens, Athens, Greece

2 Department of Surgery, Ioannina University Hospital, Ioannina, Greece

3 Department of Surgery, Saint Savvas Hospital, Hellenic Anticancer Institute, Athens, Greece

\*Address all correspondence to: spdavakis@gmail.com

© 2021 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
