About the Authors

William L. Rice

Affiliation Department of Biomedical Engineering, Tufts University, Medford, Massachusetts, United States of America

David L. Kaplan

Affiliation Department of Biomedical Engineering, Tufts University, Medford, Massachusetts, United States of America

Irene Georgakoudi

irene.georgakoudi@tufts.edu

Affiliation Department of Biomedical Engineering, Tufts University, Medford, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WLR DLK IG. Performed the experiments: WLR. Analyzed the data: WLR. Contributed reagents/materials/analysis tools: WLR DLK IG. Wrote the paper: WLR IG.