1. Urology Department, Interbalkan Medical Center, Thessaloniki, Greece
2. Pathology Department, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
3. Laboratory of Biochemistry, School of Medicine, Democritus University of Thrace, Alexandroupolis, Greece
4. Urology Department, School of Medicine, Democritus University of Thrace, Alexandroupolis, Greece
5. Laboratory of Histology-Embryology, School of Medicine, Democritus University of Thrace, Alexandroupolis, Greece