[1] Gyeongsang Natl Univ, Sch Med, Gyeongsang Inst Hlth Sci, Dept Neurol, Jinju 660702, South Korea
[2] Gyeongsang Natl Univ Hosp, Dept Lab Med, Jinju 660702, South Korea
[3] Sungkyunkwan Univ, Sch Med, Samsung Med Ctr, Dept Lab Med, Seoul, South Korea
[4] Sungkyunkwan Univ, Sch Med, Samsung Med Ctr, Dept Genet, Seoul, South Korea