About the Authors

Kris Popendorf

Affiliation Department of Biosciences and Informatics, Keio University, Yokohama, Japan

Hachiya Tsuyoshi

Affiliation Department of Biosciences and Informatics, Keio University, Yokohama, Japan

Yasunori Osana

Affiliation Department of Computer and Informatics Science, Seikei University, Musashino-shi, Tokyo, Japan

Yasubumi Sakakibara

yasu@bio.keio.ac.jp

Affiliation Department of Biosciences and Informatics, Keio University, Yokohama, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KP HT YO YS. Performed the experiments: KP. Analyzed the data: KP. Contributed reagents/materials/analysis tools: KP HT YO YS. Wrote the paper: KP HT YS.