1 Department of Radiology and Obstetrics and Gynecology, Kosin University Gospel Hospital, Gamcheon-ro 262, Busan, 49267, South Korea.
2 Department of Radiology and Obstetrics and Gynecology, Kosin University Gospel Hospital, Gamcheon-ro 262, Busan, 49267, South Korea. Electronic address: xell1015@naver.com.