1. Department of Obstetrics and Gynecology, Buca Maternity and Children’s Hospital, Izmir, Turkey;
2. Department of Obstetrics and Gynecology, Tepecik Training and Research Hospital, University of Health Sciences, Izmir, Turkey;
3. Department of Obstetrics and Gynecology, Division of Perinatology, Buca Maternity and Children’s Hospital, Izmir, Turkey;
4. Department of Obstetrics and Gynecology, Division of Perinatology, Dokuz Eylül University, Izmir, Turkey