**Author details**

Francisco M. Sánchez-Margallo\*, Juan A. Sánchez-Margallo and Jesús Usón Jesús Usón Minimally Invasive Surgery Centre, Cáceres, Spain

\*Address all correspondence to: msanchez@ccmijesususon.com

© 2019 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.
