**Author details**

Panagiotis Tsikouras1 \*, Xanthoula Anthoulaki1 , Theodora Deftereou1 , Anastasia Bothou1 , Anna Chalkidou1 , Fotis Gasparos2 , Georgia Saradi<sup>2</sup> , Dimitrios Tzeferakos2 , Elefterios Chatzimichael1 , Georgios Iatrakis3 , Stefanos Zervoudis2 and Georgios Galazios1

1 Department of Obstetrics and Gynecology, Democritus University of Thrace, Greece

2 Department of Obstetrics and Gynecology, Rea Hospital, Athens, Greece

3 Department of Obstetrics and Gynecology, University of West Attica, Greece

\*Address all correspondence to: ptsikour@med.duth.gr

© 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.
