About the Authors

Daniel W. Youngstrom

Affiliation Department of Biomedical and Veterinary Sciences, Virginia-Maryland Regional College of Veterinary Medicine, Virginia Tech, Leesburg, Virginia, United States of America

Jennifer G. Barrett

jgbarrett@vt.edu

Affiliation Department of Large Animal Clinical Sciences, Marion duPont Scott Equine Medical Center, Virginia-Maryland Regional College of Veterinary Medicine, Virginia Tech, Leesburg, Virginia, United States of America

Rod R. Jose

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

David L. Kaplan

Affiliation Department of Biomedical Engineering, Tissue Engineering Resource Center, 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: DWY JGB RRJ DLK. Performed the experiments: DWY JGB RRJ. Analyzed the data: DWY JGB RRJ DLK. Contributed reagents/materials/analysis tools: DWY JGB RRJ DLK. Wrote the paper: DWY JGB RRJ DLK.