1. Department of Biochemistry and Clinical Chemistry, Medical University of Warsaw, Warsaw 02-097, Poland
2. Department of Biochemistry, Warsaw University of Life Sciences - SGGW, Warsaw 02-776, Poland
3. Microbial Ecology and Environmental Biotechnology Department, Institute of Botany, Faculty of Biology, University of Warsaw; Biological and Chemical Research Centre, Warsaw 02-089, Poland
4. Clinical Department of Obstetrics, Female Diseases and Gynaecological Oncology, Central Clinical Hospital of The Ministry of The Interior, Warsaw 02-507, Poland
5. Reproductive Health Department, Institute of Mother and Child, Warsaw 01-211, Poland