About the Authors

Kun Gao

Affiliation Physics and Biology Unit, Okinawa Institute of Science and Technology, Kunigami, Okinawa, Japan

Jonathan Miller

jm@oist.jp

Affiliation Physics and Biology Unit, Okinawa Institute of Science and Technology, Kunigami, Okinawa, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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