1. Ankara Yildirim Beyazit University, Ankara Ataturk Training and Research Hospital, Department of Biochemistry Ankara , Turkey
2. Ankara Yildirim Beyazit University, Faculty of Medicine, Department of Obstetrics and Gynecology , Ankara , Turkey
3. Etlik Zubeyde Hanim Women’s Health Care, Training and Research Hospital, Department of Perinatology , Ankara , Turkey
4. Ankara Yildirim Beyazit University, Faculty of Medicine, Department of Biochemistry , Ankara , Turkey
5. Eskisehir Technical University, Faculty of Science, Department of Chemistry , Eskisehir , Turkey