About the Authors

Yen-Yu Liu

Affiliation Department of Biology, National Changhua University of Education, Changhua 500, Taiwan, R.O.C

Hung-Wei Chen

Affiliation Department of Biology, National Changhua University of Education, Changhua 500, Taiwan, R.O.C

Jui-Yu Chou

jackyjau@cc.ncue.edu.tw

Affiliation Department of Biology, National Changhua University of Education, Changhua 500, Taiwan, R.O.C

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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