About the Authors

In-Sun Hong

Contributed equally to this work with: In-Sun Hong, Hwa-Yong Lee

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

Hwa-Yong Lee

Contributed equally to this work with: In-Sun Hong, Hwa-Yong Lee

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

Hyun-Pyo Kim

khpsss@jwu.ac.kr

Affiliation Department of Biomedical Science, Jungwon University, Chungbuk, Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HPK. Performed the experiments: ISH HYL HPK. Analyzed the data: ISH HYL HPK. Wrote the paper: ISH HYL HPK.