1. Department of Obstetrics and Gynecology Croydon University Hospital London UK
2. Department of General Anthropology Faculty of Humanities Charles University Prague Czech Republic
3. Biomedical Center Faculty of Medicine in Pilsen Charles University Pilsen Czech Republic
4. Department of Obstetrics and Gynecology University Hospital Pilsen Czech Republic
5. National Department of Perinatology Division of Obstetrics and Gynecology University Medical Center Ljubljana Slovenia
6. Medical Faculty University of Ljubljana Ljubljana Slovenia
7. Department of Gynecology and Obstetrics Faculty of Medicine in Pilsen Charles University Pilsen Czech Republic