About the Authors
- Mark J. Bradshaw
- Department of Mechanical Engineering, Boston University, Boston, Massachusetts, United States of America
- Man C. Cheung, Daniel J. Ehrlich, Michael L. Smith
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: MJB MCC DJE MLS. Performed the experiments: MJB MCC. Analyzed the data: MJB. Contributed reagents/materials/analysis tools: MJB MCC DJE MLS. Wrote the paper: MJB MLS.