About the Authors

Xinyan Tang

Affiliation Department of Biomedical Engineering, Duke University, Durham, North Carolina, United States of America

Liufang Jing

Affiliation Department of Biomedical Engineering, Duke University, Durham, North Carolina, United States of America

Jun Chen

junchen@duke.edu

Affiliation Department of Orthopedic Surgery, Duke University Medical Center, Durham, North Carolina, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JC XT. Performed the experiments: XT LJ. Analyzed the data: XT. Contributed reagents/materials/analysis tools: LJ. Wrote the paper: XT.