1. Division of Perinatal Medicine, Department of Obstetrics and Gynecology, Faculty of Medicine, Hacettepe University, Ankara, Turkey;
2. Department of Histology and Embryology, TOBB University Faculty of Medicine, Ankara, Turkey;
3. Department of Histology and Embryology, Faculty of Medicine, Hacettepe University, Ankara, Turkey;
4. Animal Technology Center, Faculty of Medicine, Hacettepe University, Ankara, Turkey;
5. Department of General Surgery, Dr. Abdurrahman Yurtaslan Oncology Education and Research Hospital, Ankara, Turkey;
6. Department of Haematology, Faculty of Medicine, Ankara University, Ankara, Turkey