1. Third Department of Obstetrics and Gynecology, University General Hospital “ATTIKON”, Medical School, National and Kapodistrian University of Athens, 124 62 Athens, Greece
2. First Department of Obstetrics and Gynecology, Alexandra Hospital, Medical School, National and Kapodistrian University of Athens, 115 28 Athens, Greece
3. Second Department of Obstetrics and Gynecology, Aretaieion University Hospital, Medical School, National and Kapodistrian University of Athens, 115 28 Athens, Greece
4. Second Department of Pathology, University General Hospital “ATTIKON”, Medical School, National and Kapodistrian University of Athens, 124 62 Athens, Greece
5. Department of Biomedical Sciences, Faculty of Health and Caring Professions, University of West Attica, 122 43 Athens, Greece
6. Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 115 27 Athens, Greece
7. Medical School, National and Kapodistrian University of Athens, 115 27 Athens, Greece
8. Department of Obstetrics and Gynecology, Democritus University of Thrace, 691 00 Campus, Greece