Department of Internal Medicine;
Medical Sch-ool;
Aristotle University of Thessaloniki;
AHEPA Hospital;
Thessaloniki 54636;
Greece;
Department of Obstetrics and Gynecology;
Medical School;
Aristotle University of Thessaloniki;
Hippokration Hospital;
Thessaloniki 54642;
Greece;
Department of Obstetrics and Gynecology;
Medical School;
Aristotle University of Thessaloniki;
Hippokration Hospital;
Thessaloniki 54642;
Greece;