1. Department of Obstetrics and Gynecology, Division of Perinatology, Etlik Zübeyde Hanım Women’s Health Care, Training and Research Hospital, Ankara, Turkey;
2. Department of Pediatrics, Division of Neonatology, University of Health Sciences Etlik Zübeyde Hanım Women’s Health Care, Training and Research Hospital, Ankara, Turkey;
3. Department of Obstetrics and Gynecology, Division of Perinatology, University of Health Sciences Etlik Zübeyde Hanım Women’s Health Care, Training and Research Hospital, Ankara, Turkey