1. Department of Interventional Radiology and Medical Imaging, Medical Faculty, Democritus University of Thrace, Alexandroupolis 68100, Athens
2. Department of Obstetrics and Gynecology, Medical Faculty, Democritus University of Thrace, Alexandroupolis 68100, Athens
3. Department of Obstetrics and Gynecology, Medical Faculty, Democritus University of Thrace, Alexandroupolis 68100, Greece
4. Department of Obstetrics and Mastology, Rea Hospital, Athens 17564, Greece
5. Department of Medical Statistics, Medical Faculty, Democritus University of Thrace, Alexandroupolis 68100, Greece
6. University of West Attica, Department of Midwifery, Athens 17564, Greece
7. Department of Social Administration, Democritus University of Thrace, Alexandroupolis 68100, Greece
8. Department of Anesthesiology and Pain Treatment, Democritus University of Thrace, Alexandroupolis 68100, Greece