About the Authors

Yizeng Li

yizengli@umich.edu

Current address: Department of Mechanical Engineering, Johns Hopkins University, Baltimore, Maryland, United States of America

Affiliation Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan, United States of America

Karl Grosh

Affiliations Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan, United States of America, Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YL KG. Performed the experiments: YL. Analyzed the data: YL KG. Wrote the paper: YL KG.