Affiliation: | a 3CRO, Inc., 875 Jaegi-dong, Dongdaemun-gu, Seoul 130-864, Republic of Korea b Department of Materials Science and Engineering, KAIST, 335 Gwahakro, Youseong-gu, Daejeon 305-701, Republic of Korea c CHAbio&Diostech, 605-21 Yoeksam 1-dong, Gangnam-gu, Seoul 135-081, Republic of Korea d Laboratory of Stem Cell and Developmental Biology, CHA Stem Cell Institute, CHA University, 605-21 Yoeksam 1-dong, Gangnam-gu, Seoul 135-081, Republic of Korea |