About the Authors

Wei-Chun Chiu

Affiliation Biomedical Technology and Device Research Laboratories, Industrial Technology Research Institute, Hsinchu, Taiwan

Ya-Ping Lai

Affiliation Biomedical Technology and Device Research Laboratories, Industrial Technology Research Institute, Hsinchu, Taiwan

Min-Yuan Chou

minyuanc@itri.org.tw

Affiliation Biomedical Technology and Device Research Laboratories, Industrial Technology Research Institute, Hsinchu, Taiwan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MYC WCC. Performed the experiments: WCC YPL MYC. Analyzed the data: WCC YPL MYC. Contributed reagents/materials/analysis tools: WCC YPL MYC. Wrote the paper: WCC YPL MYC.