1. Laboratory of Biochemistry, Medical School, Democritus University of Thrace, Alexandroupolis - Greece
2. Department of Medical Statistics, Medical School, Democritus University of Thrace, Alexandroupolis - Greece
3. Department of Medical Oncology, Medical School, Democritus University of Thrace, Alexandroupolis - Greece
4. Obstetrics and Gy-necology Clinic, Medical School, Democritus University of Thrace, Alexandroupolis - Greece
5. Laboratory of Pathology, Medical School, Democritus University of Thrace, Alexandroupolis - Greece
6. Second Division of Surgery Clinic, Medical School, Democritus University of Thrace, Alexandroupolis - Greece