1. Department of Perinatology University of Health Sciences Zeynep Kamil Women's and Children's Disease Training and Research Hospital Istanbul Turkey
2. Department of Obstetrics and Gynaecology University of Health Sciences Zeynep Kamil Women's and Children's Disease Training and Research Hospital Istanbul Turkey
3. Department of Pediatric Cardiology University of Health Sciences Dr. Siyami Ersek Thoracic and Cardiovascular Surgery Training & Research Hospital Istanbul Turkey