1. Department of Radiology, Kyung Hee UniversityHospital at Gangdong, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
2. Department of Pathology, Kyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
3. Department of Nuclear Medicine, Kyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University, Seoul, Republic of Korea.