1. Department of Perinatology and Gynecology; Poznan University of Medical Sciences; Poznan Poland
2. Department of Clinical Immunology; Poznan University of Medical Sciences; Poznan Poland
3. Department of Gynecology; Poznan University of Medical Sciences; Poznan Poland
4. Department of Oncology, Radiotherapy and Gynecological Oncology; Ludwik Rydygier Collegium Medicum; Nicolaus Copernicus University; Bydgoszcz Poland