About the Authors

Chin-Yuan Hsu

To whom correspondence should be addressed. E-mail: hsu@mail.cgu.edu.tw

Affiliation Department of Life Science, Chang Gung University, Tao-Yuan, Taiwan

Fu-Yao Ko

Affiliation Department of Life Science, National Tsing Hua University, Hsinchu, Taiwan

Chia-Wei Li

Affiliation Department of Life Science, National Tsing Hua University, Hsinchu, Taiwan

Kuni Fann

Affiliation Department of Philosophy, Atkinson College, York University, Toronto, Canada

Juh-Tzeng Lue

Affiliation Department of Physics, National Tsing Hua University, Hsinchu, Taiwan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CH CL. Performed the experiments: CH FK. Analyzed the data: CH JL CL. Contributed reagents/materials/analysis tools: CH CL. Wrote the paper: CH JL KF.