[1] Pochon CHA Univ, Coll Med, CHA Stem Cell Inst, Seoul 135081, South Korea
[2] Korea Basic Sci Inst, MRI Team, Ochang, South Korea
[3] CHA Biotech Ltd, Stem Cell therapy Inst, Seoul, South Korea
[4] Ajou Univ, Sch Med, Dept Pharmacol, Suwon 441749, Gyeonggi Do, South Korea