**Author details**

Agata Sebastian1 \*, Piotr Donizy2 and Piotr Wiland1

1 Department of Rheumatology and Internal Medicine, Wroclaw Medical University, Wroclaw, Poland

2 Department of Pathomorphology and Oncological Cytology, Wroclaw Medical University, Wroclaw, Poland

\*Address all correspondence to: agatasebastian@vp.pl

© 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.
