About the Authors

Yuanyuan Cui

Affiliation Department of Biomedical Engineering, University of California Davis, Davis, California, United States of America

Soichiro Yamada

syamada@ucdavis.edu

Affiliation Department of Biomedical Engineering, University of California Davis, Davis, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YC SY. Performed the experiments: YC. Analyzed the data: YC. Contributed reagents/materials/analysis tools: YC SY. Wrote the paper: YC SY.