1. Division of Perinatology, Department of Obstetrics and Gynecology, Faculty of Medicine Hacettepe University Ankara Turkey
2. Division of Pediatric Cardiology, Department of Pediatrics, Faculty of Medicine Hacettepe University Ankara Turkey
3. Life Support Center Hacettepe University Ankara Turkey
4. Department of Anesthesiology and Reanimation, Faculty of Medicine Hacettepe University Ankara Turkey