1. Department of Radiology; Haeundae Paik Hospital; Inje University College of Medicine; 875, Haeun-daero, Haeundae-gu Busan 612-896 Republic of Korea
2. Department of Radiology; Busan Paik Hospital; Inje University College of Medicine; Busan Republic of Korea
3. Department of Pathology; Haeundae Paik Hospital; Inje University College of Medicine; 875, Haeun-daero, Haeundae-gu Busan 612-896 Republic of Korea
4. Department of Radiology; Myongji Hospital; Hwasu-ro 14, Deogyang-gu Goyang-si Gyeonggi-do 412-270 Republic of Korea