About the Authors

Miho S. Kitazawa

kitazawa@bio.sci.osaka-u.ac.jp (MSK); fujimoto@bio.sci.osaka-u.ac.jp (KF)

Current address: Center for Education in Liberal Arts and Sciences, Osaka University, Toyonaka, Osaka, Japan

Affiliations Department of Biological Sciences, Osaka University, Toyonaka, Osaka, Japan, Japan Society for the Promotion of Science, Tokyo, Japan

Koichi Fujimoto

kitazawa@bio.sci.osaka-u.ac.jp (MSK); fujimoto@bio.sci.osaka-u.ac.jp (KF)

Affiliation Department of Biological Sciences, Osaka University, Toyonaka, Osaka, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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