About the Authors

Yi-Yu Hsu

Affiliation Department of Computer Science and Information Engineering, National Cheng Kung University, Tainan, Taiwan, Republic of China

Hung-Yu Chen

Affiliation Institute of Medical Informatics, National Cheng Kung University, Tainan, Taiwan, Republic of China

Hung-Yu Kao

hykao@mail.ncku.edu.tw

Affiliations Department of Computer Science and Information Engineering, National Cheng Kung University, Tainan, Taiwan, Republic of China, Institute of Medical Informatics, National Cheng Kung University, Tainan, Taiwan, Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YYH HYC HYK. Performed the experiments: YYH HYC HYK. Analyzed the data: YYH HYC HYK. Contributed reagents/materials/analysis tools: YYH HYC HYK. Wrote the paper: YYH HYC HYK.