ALEXANDRA TRIANTAFYLLOU, NIKOLAOS DOVROLIS, ELENI ZOGRAFOS, CHARALAMPOS THEODOROPOULOS, GEORGE C. ZOGRAFOS, NIKOLAOS V. MICHALOPOULOS and MARIA GAZOULI
1st Propaedeutic Surgical Department, Hippocration General Hospital, National and Kapodistrian University of Athens, Athens, Greece, Department of Medicine, Laboratory of Biology, Democritus University of Thrace, Alexandroupolis, Greece, Laboratory of Biology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece