1. Department of Obstetrics and Gynecology, Faculty of Medicine, Yuzuncu Yil University, 65080 Van, Turkey
2. Yuzuncu Yil Universitesi Tip Fakultesi, Kadin Hastaliklari ve Dogum Anabilim Dali, Dursun Odabas Tip Merkezi, Kampus, 65080 Van, Turkey
3. Department of Neurosurgery, Faculty of Medicine, Yuzuncu Yil University, 65080 Van, Turkey
4. Department of Radiology, Faculty of Medicine, Yuzuncu Yil University, 65080 Van, Turkey