1. Department of Gynecology and Gynecologic Oncology; Medical University of Białystok; Białystok Poland
2. Department of Gynecology and Obstetrics; Faculty of Medicine; University of Warmia and Mazury; Olsztyn Poland
3. II Department of Gynecology; Medical University of Lublin; Lublin Poland
4. Department of Biophysics; Medical University of Białystok; Białystok Poland
5. Chair of Clinical Sciences; Faculty of Health Sciences; State Higher School of Computer Science and Business Administration; Łomża Poland
6. Department of Reproductive Health; National Research Institute of Mother and Child; Warsaw Poland