About the Authors

In-Sun Hong

Affiliations Adult Stem Cell Research Center, Seoul National University, Seoul, Republic of Korea, Laboratory of Stem Cell and Tumor Biology, Department of Veterinary Public Health, Seoul National University, Seoul, Republic of Korea

Kyung-Sun Kang

kangpub@snu.ac.kr

Affiliations Adult Stem Cell Research Center, Seoul National University, Seoul, Republic of Korea, Laboratory of Stem Cell and Tumor Biology, Department of Veterinary Public Health, Seoul National University, Seoul, Republic of Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KK. Performed the experiments: IH. Analyzed the data: IH KK. Wrote the paper: IH KK.