1. Department of Obstetrics and Gynecology, Venizeleio General Hospital, 71409 Heraklion, Greece
2. Section of Molecular Pathology and Human Genetics, Department of Internal Medicine, School of Medicine, University of Crete, 71003 Heraklion, Greece
3. Department of Nursing, School of Health Sciences, Hellenic Mediterranean University, 71410 Heraklion, Greece
4. Laboratory of Anatomy Histology Embryology, Medical School, University of Crete, 71003 Heraklion, Greece
5. Laboratory of Clinical Virology, Medical School, University of Crete, 71003 Heraklion, Greece
6. Department of Obstetrics, Gynecology and Reproductive Sciences, Yale University School of Medicine, New Haven, CT 06520, USA