1. Department of Obstetrics and Gynecology, Obstetrics Clinic; Etlik Zubeyde Hanim Women's Health Education and Research Hospital; Ankara Turkey
2. Perinatology & High-Risk Pregnancy Clinic; Etlik Zubeyde Hanim Women's Health Education and Research Hospital; Ankara Turkey
3. Department of Obstetrics and Gynecology, Obstetrics Clinic; Izmir Katip Celebi University Ataturk Education & Research Hospital; Izmir Turkey
4. Department of Obstetrics and Gynecology; Medical Faculty Hospital, Mugla Sitki Kocman University; Mugla Turkey