1. Department of Radiology; Seoul National University Hospital; 101 Daehak-ro Jongno-gu Seoul 03080 Republic of Korea
2. Department of Radiology; Yanbian University Hospital; 1327 JuZi Street Yanji City Jilin Province 133000 China
3. Department of Biological Sciences; Korea Advanced Institute of Science and Technology (KAIST); 291 Daehak-ro Yuseong-gu Daejeon 34141 Republic of Korea
4. Department of Biomedical Science and Radiology; Seoul National University College of Medicine; 103 Daehak-ro Jongno-gu Seoul 03080 Republic of Korea