About the Authors

Karl E. Zelik

kzelik@umich.edu

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

Arthur D. Kuo

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: KEZ ADK. Performed the experiments: KEZ. Analyzed the data: KEZ ADK. Contributed reagents/materials/analysis tools: KEZ ADK. Wrote the paper: KEZ ADK.