1. Department of Obstetrics and Gynecology, Venizeleio General Hospital, 71409 Heraklion, Crete, Greece
2. Section of Molecular Pathology and Human Genetics, Department of Internal Medicine, School of Medicine, University of Crete, 71003 Heraklion, Crete, Greece
3. Laboratory of Genetics, Department of Biotechnology, Agricultural University of Athens, 11855 Athens, Greece
4. Wellcome Trust Centre for Human Genetics, Nuffield Department of Obstetrics and Gynaecology, University of Oxford, OX3 7BN Oxford, UK
5. 3rd Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
6. Laboratory of Clinical Virology, Medical School, University of Crete, 71003 Heraklion, Crete, Greece