[1] Chungnam Natl Univ, Coll Med, Dept Internal Med, Daejeon, South Korea
[2] Chungnam Natl Univ, Coll Med, Dept Med Sci, Daejeon, South Korea
[3] Chungnam Natl Univ, Translat Immunol Inst, Coll Med, Daejeon, South Korea
[4] Chungnam Natl Univ, Coll Med, Brain Korea 21 FOUR Project Med Sci, Daejeon, South Korea
[5] Chungnam Natl Univ, Dept Med Sci, Daejeon, South Korea
[6] Chungnam Natl Univ, Coll Med, Dept Internal Med, Sejong, South Korea
[7] Chungnam Natl Univ Hosp, Coll Med, Dept Internal Med, Daejeon, South Korea