[1] Sungkyunkwan Univ, SAIHST, Dept Hlth Sci & Technol, Seoul, South Korea
[2] Samsung Med Ctr, Stem Cell & Regenerat Med Inst, Seoul, South Korea
[3] Sungkyunkwan Univ, Samsung Med Ctr, Dept Neurol, Sch Med, Seoul, South Korea
[4] Kongju Natl Univ, Dept Biol Sci, Gongju, South Korea