About the Authors

Chung-Yao Kao

Affiliation Department of Electrical Engineering, National Sun Yat-Sen University, Kaohsiung, Taiwan

Jhen-Ci Yang

Affiliation Department of Electrical Engineering, National Sun Yat-Sen University, Kaohsiung, Taiwan

Chih-Hao Lin

emergency.lin@gmail.com

Affiliation Department of Emergency Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CHL CYK. Performed the experiments: CYK JCY. Analyzed the data: CYK CHL. Contributed reagents/materials/analysis tools: CYK JCY CHL. Wrote the paper: CYK CHL.