1. Department of Gastroenterology, Hepatology and Clinical Oncology, Centre of Postgraduate Medical Education, 02-781 Warsaw, Poland
2. Department of Genetics, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland
3. Department of Gynaecological Endocrinology, Medical University of Warsaw, 00-315 Warsaw, Poland
4. Second Department of Obstetrics and Gynecology, Centre of Postgraduate Medical Education, 00-189 Warsaw, Poland
5. Warsaw Institute of Women’s Health, 00-189 Warsaw, Poland