1. Institute of Biocybernetics and Biomedical Engineering, Polish Academy of Sciences, Warsaw, Poland
2. Department and Clinic of Gastroenterology and Metabolic Diseases, Medical Academy, Warsaw, Poland
3. 1st Clinic of Obstetrics and Gynaecology, Medical Academy, Warsaw, Poland
4. 2nd Clinic of Obstetrics and Gynaecology, Medical Academy, Warsaw, Poland.