**Author details**

Marek Różycki M/D/R/K Trusted Adviser Group Sp. z o.o., Mikołów, Poland

\*Address all correspondence to: m.rozycki@mdrk.eu

© 2018 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.
