About the Authors

Xiaoyan Zhang

Affiliation Department of Biological Sciences, National University of Singapore, Singapore, Singapore

Zhiyuan Gong

dbsgzy@nus.edu.sg

Affiliation Department of Biological Sciences, National University of Singapore, Singapore, Singapore

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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