Affiliation: | 1.Department of Biochemistry, Istanbul Faculty of Medicine, Istanbul University, Çapa, 34093 Istanbul, Turkey ;2.Maternal and Fetal Unit, Department of Obstetrics and Gynecology, Istanbul Bakirkoy Women and Children Hospital, Istanbul, Turkey ;3.Department of Internal Medicine, Division of Endocrinology, Şişli Etfal Research and Training Hospital, Şişli, Istanbul, Turkey |