**Author details**

Panagiotis Tsikouras1 \*, Anna Chalkidou1 , Anastasia Bothou1 , Angeliki Gerede1 , Xanthoula Anthoulaki1 , Spyridon Michalopoulos1 , Ioannis Tsirkas1 , Fotini Gaitatzi1 , Irene Babageorgaka1 , Apostolos Lazarou1 , Natalia Sachnova1 , Michael Koutsogiannis1 , Konstantinos Nikolettos1 , Theopi Nalbanti1 , Eythimios Demosthenous1 , Georgios Dragoutsos1 , Ifigenia Apostolou<sup>2</sup> , Alexios Alexiou1 , Panagiotis Petsidis3 , Stefanos Zervoudis3 , George Iatrakis4 , Werner Rath1 , George Galazios1 and Nikolaos Nikolettos1

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

2 Neonatal Unit Intensive Care of University Hospital of Alexandroupolis, Greece

3 National and Kapodistrian University of Athens and Rea Maternity Hospital, Athens, Greece

4 Technological Educational Institute of Athens and Rea Maternity Hospital, Athens, Greece

\*Address all correspondence to: tsikouraspanagiotis@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.
