About the Authors

Kentarou Matsumura

Affiliation Laboratory of Evolutionary Ecology, Graduate School of Environmental and Life Science, Okayama University, Okayama, Japan

Takahisa Miyatake

miyatake@cc.okayama-u.ac.jp

Affiliation Laboratory of Evolutionary Ecology, Graduate School of Environmental and Life Science, Okayama University, Okayama, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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