About the Authors

Han Sung Kim

Affiliation Department of Biomedical Engineering, College of Health Science, Yonsei University, Wonju, Gangwon-do, Republic of Korea

Tack-Joong Kim

Affiliation Division of Biological Science and Technology, College of Science and Technology, Yonsei University, Wonju, Gangwon-do, Republic of Korea

Yeong-Min Yoo

yyeongm@hanmail.net

Affiliation Department of Biomedical Engineering, College of Health Science, Yonsei University, Wonju, Gangwon-do, Republic of Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HSK YMY. Performed the experiments: HSK TJK YMY. Analyzed the data: HSK TJK YMY. Contributed reagents/materials/analysis tools: HSK TJK YMY. Wrote the paper: HSK YMY.