1. Liver and Immunology Research Center; Daejeon Oriental Hospital of Oriental Medical Collage of Daejeon University; 22-5 Daehung-dong, Jung-gu Daejeon 301-724 Republic of Korea
2. Department of Biomedical Laboratory Science, College of Applied Science and Industry; Daejeon University; 96-3 Yongun-dong, Dong-gu Daejeon 300-716 Republic of Korea
3. Department of Internal Medicine, Daejeon St. Mary's Hospita; The Catholic University of Korea; Daejeon Republic of Korea