1. Obstetrics and Gynecology, Istanbul University Cerrahpasa Faculty of
Medicine, Fatih, Turkey
2. Obstetrics and Gynecology, Istanbul Kanuni Sultan Suleyman Training and
Research Hospital, Istanbul, Turkey
3. Perinatology, Sakarya Training and Research Hospital, Sakarya,
Turkey
4. Obstetric and Gynecology, Istanbul Universitesi-Cerrahpasa, Istanbul,
Turkey
5. Biochemistry, Istinye University, Istanbul, Turkey
6. University Hospital for Obstetrics and Gynecology, Carl von Ossietzky
University of Oldenburg, Oldenburg, Germany