About the Authors

Kei Fujiwara

fujiwara@molbot.mech.tohoku.ac.jp (KF); nomura@molbot.mech.tohoku.ac.jp (SMN)

Affiliation Department of Bioengineering and Robotics, Tohoku University, Sendai, Japan

Shin-ichiro M. Nomura

fujiwara@molbot.mech.tohoku.ac.jp (KF); nomura@molbot.mech.tohoku.ac.jp (SMN)

Affiliation Department of Bioengineering and Robotics, Tohoku University, Sendai, Japan

Competing Interests

The authors declare no conflict of interest.

Author Contributions

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