**Author details**

Terezia Fertalova\* and Iveta Ondriova Department of Nursing, University of Presov, Presov, Slovak Republic

\*Address all correspondence to: terezia.fertalova@unipo.sk

© 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.
