1. Department of Internal Medicine, Dongdaemun Health Center, Republic of Korea
2. Department of International Radiological Science, Hallym University of Graduate Studies, Republic of Korea
3. Department of Radiology, Kyung Hee University Hospital at Gang-dong, Republic of Korea
4. Department of Computer Science and Engineering, Soonchunhyang University, Republic of Korea
5. Department of Medical IT Engineering, Soonchunhyang University: Asan, Chungnam 336-745, Republic of Korea