**Author details**

Andrey Soloviev1 \*, Elena Ichitovkina<sup>2</sup> and Marina Zlokazova<sup>2</sup>

1 Northern State Medical University, Arkhangelsk, Russia

2 Kirov State Medical University, Kirov, Russia

\*Address all correspondence to: asoloviev1@yandex.ru

© 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.
