1 1 Obstretric and Gynecology Department, General Hospital Thriassio Athens, Athens, Greece ; 2 Surgery Department, University General Hospital of Alexandroupolis, Democritus University of Thrace, Alexandroupolis, Greece ; 3 Hematology Department, "Laiko" University General Hospital, Athens, Greece ; 4 Radiology Department, University General Hospital of Alexandroupolis, Democritus University of Thrace, Alexandroupolis, Greece ; 5 Pulmonary Department, "G. Papanikolaou" General Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece.