About the Authors

Young-Il Kim

Contributed equally to this work with: Young-Il Kim, Hyoung Sang Kim

Affiliation Center for Liver Cancer, National Cancer Center, Goyang, Korea

Hyoung Sang Kim

Contributed equally to this work with: Young-Il Kim, Hyoung Sang Kim

Affiliation Center for Liver Cancer, National Cancer Center, Goyang, Korea

Joong-Won Park

jwpark@ncc.re.kr

Affiliation Center for Liver Cancer, National Cancer Center, Goyang, Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JWP. Performed the experiments: YIK HSK JWP. Analyzed the data: YIK HSK JWP. Contributed reagents/materials/analysis tools: YIK HSK JWP. Wrote the paper: YIK HSK. Critical revision of the manuscript: JWP.