1. Third Department of Obstetrics and Gynecology, Aristotle University of Thessaloniki, Thessaloniki, Greece
2. Section of Molecular Pathology and Human Genetics, Department of Internal Medicine, School of Medicine, University of Crete, Heraklion, Greece
3. Department of Obstetrics and Gynaecology, Venizeleio and Pananeio General Hospital of Heraklion, Heraklion, Greece