About the Authors

Masato Fukushiro

Affiliation Department of Electrical Engineering and Bioscience, Graduate School of Advanced Science and Engineering, Waseda University, Tokyo, Japan

Takahiro Takeuchi

Affiliation Department of Electrical Engineering and Bioscience, Graduate School of Advanced Science and Engineering, Waseda University, Tokyo, Japan

Yuki Takeuchi

Affiliation Department of Chemistry, Biology, and Marine Science, Faculty of Science, University of the Ryukyus, Okinawa, Japan

Sung-Pyo Hur

Affiliation Department of Chemistry, Biology, and Marine Science, Faculty of Science, University of the Ryukyus, Okinawa, Japan

Nozomi Sugama

Affiliation Department of Chemistry, Biology, and Marine Science, Faculty of Science, University of the Ryukyus, Okinawa, Japan

Akihiro Takemura

Affiliation Department of Chemistry, Biology, and Marine Science, Faculty of Science, University of the Ryukyus, Okinawa, Japan

Yoko Kubo

Affiliation Department of Electrical Engineering and Bioscience, Graduate School of Advanced Science and Engineering, Waseda University, Tokyo, Japan

Keiko Okano

Affiliation Department of Electrical Engineering and Bioscience, Graduate School of Advanced Science and Engineering, Waseda University, Tokyo, Japan

Toshiyuki Okano

okano@waseda.jp

Affiliations Department of Electrical Engineering and Bioscience, Graduate School of Advanced Science and Engineering, Waseda University, Tokyo, Japan, Precursory Research for Embryonic Science and Technology, Japan Science and Technology Agency, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MF AT TO. Performed the experiments: MF TT YT S-PH NS AT YK KO TO. Analyzed the data: MF TO. Contributed reagents/materials/analysis tools: AT TO. Wrote the paper: MF TO