1. Department of Radiology, Istanbul Training and Research Hospital, Samatya, Istanbul 34098, Turkey.
2. Department of Radiology, Buyukcekmece Mimar Sinan State Hospital, Istanbul, Turkey.
3. Department of Radiology, Sinop Ataturk State Hospital, Sinop, Turkey.
4. Department of Radiology, Koc University School of Medicine, Koc University Hospital, Istanbul, Turkey.