About the Authors

Ikuma Adachi


Affiliation Primate Research Institute, Kyoto University, Center for International Collaboration and Advanced Studies in Primatology, Kyoto University, Inuyama, Aichi, Japan

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

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