**Author details**

Immacolata Belviso, Veronica Romano, Daria Nurzynska, Clotilde Castaldo\* and Franca Di Meglio Department of Public Health, University of Naples Federico II, Naples, Italy

\*Address all correspondence to: clotilde.castaldo@unina.it

© 2020 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.
