Affiliation: | aDepartment of Histology and Embryology, Center of Biostructure Research, Medical University of Warsaw, Warsaw, Poland;bDivision of Nuclear and Medical Electronics, Technical University of Warsaw, Warsaw, Poland;cI Department of Obstetrics and Gynecology, Medical University of Warsaw, Warsaw, Poland;dII Department of Obstetrics and Gynecology, Medical University of Warsaw, Warsaw, Poland |