[1] Soonchunhyang Univ, Coll Med, Seoul Hosp, Dept Lab Med, Seoul, South Korea
[2] Soonchunhyang Univ, Bucheon Hosp, Coll Med, Dept Lab Med & Genet, Bucheon, South Korea
[3] Soonchunhyang Univ, Bucheon Hosp, Dept Lab Med, Bucheon, South Korea
[4] Soonchunhyang Univ, Bucheon Hosp, Dept Internal Med, Div Nephrol,Coll Med, Bucheon, South Korea
[5] Dow Biomed Inc, Seoul, South Korea
[6] Soonchunhyang Univ, Bucheon Hosp, Coll Med, Dept Lab Med, 170 Jomaru Ro, Bucheon 14584, Gyeonggi Do, South Korea