1. Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Hacettepe University, Ankara, Turkey
2. Department of Pathology, Hacettepe University, Ankara, Turkey
3. Lokman Hekim Akay Hospital, Ankara, Turkey
4. Division Pediatric Pathology, Department of Pediatrics, Hacettepe University, Ankara, Turkey