1. Department of Radiology; Kyung Hee University Hospital at Gangdong; 892, Dongnam-ro, Gangdong-gu Seoul 134-727 Republic of Korea
2. Department of Pathology; Kyung Hee University Hospital at Gangdong; 892, Dongnam-ro, Gangdong-gu Seoul 134-727 Republic of Korea
3. Department of Orthopedic Surgery; Kyung Hee University Hospital at Gangdong; 892, Dongnam-ro, Gangdong-gu Seoul 134-727 Republic of Korea