[1] Seoul Natl Univ, Coll Med, Dept Internal Med, Seoul, South Korea
[2] Seoul Natl Univ, Coll Med, Liver Res Inst, Seoul, South Korea
[3] RexSoft Inc, Seoul, South Korea
[4] Seoul Natl Univ, Dept Publ Hlth Sci, Grad Sch Publ Hlth, Seoul, South Korea