About the Authors

Christopher A. Rock

car55@drexel.edu

Affiliation School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, Pennsylvania, United States of America

Lin Han

Affiliation School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, Pennsylvania, United States of America

Todd C. Doehring

Affiliation School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TCD CAR. Performed the experiments: TCD CAR. Analyzed the data: TCD CAR LH. Contributed reagents/materials/analysis tools: TCD CAR. Wrote the paper: TCD CAR LH.