About the Authors

Sumio Ishijima

sishijim@bio.titech.ac.jp

Affiliation Department of Bioengineering, Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, Meguro-ku, Tokyo, Japan

Competing Interests

The author has decared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SI. Performed the experiments: SI. Analyzed the data: SI. Contributed reagents/materials/analysis tools: SI. Wrote the paper: SI.