1. 4th Department of Obstetrics and Gynecology, Hippokratio Hospital of Thessaloniki, Thessaloniki, Greece;
2. Laboratory of Pharmacology, Medical School, Democritus University of Thrace, Alexandroupolis, Greece;
3. Peripheral Laboratory of Public Health, Hellenic Center for Disease Control and Prevention, Ministry of Health, Alexandroupolis, Greece;
4. Laboratory of Hygiene and Environmental Protection, Medical School, Democritus University of Thrace, Alexandroupolis, Greece