1. Department of Obstetrics and Gynecology, L. Rydygier Collegium Medicum in Bydgoszcz; Nicolaus Copernicus University; Bydgoszcz Poland
2. Center of Oncology; M. Sklodowska-Curie Memorial Institute, Krakow Branch; Kraków Poland
3. Department of Analytical Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology; Jagiellonian University; Krakow Poland
4. Jagiellonian University Medical College; Kraków Poland