1. Gyncentrum, Laboratory of Molecular Biology and Virology, Katowice, Poland
2. Department of Histology, Cytophysiology and Embryology, Faculty of Medicine, Academy of Silesia, Katowice, Poland
3. Department of Plastic Surgery, Faculty of Medicine, Academy of Silesia, Zabrze, Poland
4. The Higher School of Strategic Planning in Dąbrowa Górnicza, Dąbrowa Górnicza, Poland