About the Authors

Sangjo Han

Affiliation Department of Bio and Brain Engineering, KAIST, Daejeon, South Korea

Dongsup Kim

kds@kaist.ac.kr

Affiliations Department of Bio and Brain Engineering, KAIST, Daejeon, South Korea, KAIST Institute for the Biocentury, KAIST, Daejeon, South Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SH DK. Performed the experiments: SH. Analyzed the data: SH. Wrote the paper: SH DK.