About the Authors

Yuki Nozaki

yuki.nozaki.kt@gmail.com

Affiliations Graduate School of Education, Kyoto University, Kyoto, Japan, Japan Society for the Promotion of Science, Tokyo, Japan

Masuo Koyasu

Affiliation Graduate School of Education, Kyoto University, Kyoto, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YN MK. Performed the experiments: YN. Analyzed the data: YN. Wrote the paper: YN MK.