1. Obstetrics and Gynecology Department, Gulhane Military Medical Academy (GATA), Etlik, 06018 Ankara, Turkey
2. Obstetrics and Gynecology Department, Etimesgut Military Hospital, Etimesgut, 06100 Ankara, Turkey
3. Obstetrics and Gynecology Department, Haydarpasa Military Training Hospital, Gulhane Military Medical Academy (GATA), 34668 Istanbul, Turkey