About the Authors

Akiko Hirao, Yu Tahara, Shigenobu Shibata
Laboratory of Physiology and Pharmacology, School of Advanced Science and Engineering, Waseda University, Shinjuku-ku, Tokyo, Japan

Akiko Hirao, Ichiro Kimura
Laboratory of Developmental Biology, School of Human Sciences, Waseda University, Saitama, Japan

Corresponding Author

shibatas@waseda.jp

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: IK SS. Performed the experiments: AH YT. Analyzed the data: AH YT. Contributed reagents/materials/analysis tools: IK. Wrote the paper: AH SS.