1. Liver and Immunology Research Center, Oriental Medical College of Daejeon University, 75, Daedeok-daero 176 beon-gil, Seo-gu, Daejeon 35235, Republic of Korea
2. Department of Internal Medicine, Weedahm Oriental Hospital, 430, Yeoksam-ro, Gangnam-gu, Seoul 06200, Republic of Korea