About the Authors

Chung-Yuan Huang

Affiliation Department of Computer Science and Information Engineering, School of Electrical and Computer Engineering, College of Engineering, Chang Gung University, Taoyuan, Taiwan, Republic of China

Chun-Liang Lee

cllee@mail.cgu.edu.tw

Affiliation Department of Computer Science and Information Engineering, School of Electrical and Computer Engineering, College of Engineering, Chang Gung University, Taoyuan, Taiwan, Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CYH CLL. Performed the experiments: CYH CLL. Analyzed the data: CYH CLL. Contributed reagents/materials/analysis tools: CYH CLL. Contributed to the writing of the manuscript: CYH CLL.