About the Authors

Yan Lu

luy@svm.vetmed.wisc.edu (YL); wlmurphy@wisc.edu (WLM)

Affiliations Comparative Orthopaedic Research Laboratory, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconson, United States of America, Orthopedics and Rehabilitation, University of Wisconsin, Madison, Wisconson, United States of America

Jae Sung Lee

Affiliation Departments of Biomedical Engineering, University of Wisconsin, Madison, Wisconson, United States of America

Brett Nemke

Affiliation Comparative Orthopaedic Research Laboratory, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconson, United States of America

Ben K. Graf

Affiliation Orthopedics and Rehabilitation, University of Wisconsin, Madison, Wisconson, United States of America

Kevin Royalty

Affiliation Departments of Biomedical Engineering, University of Wisconsin, Madison, Wisconson, United States of America

Richard Illgen III

Affiliation Orthopedics and Rehabilitation, University of Wisconsin, Madison, Wisconson, United States of America

Ray Vanderby Jr

Affiliation Departments of Biomedical Engineering, University of Wisconsin, Madison, Wisconson, United States of America

Mark D. Markel

Affiliations Comparative Orthopaedic Research Laboratory, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconson, United States of America, Orthopedics and Rehabilitation, University of Wisconsin, Madison, Wisconson, United States of America

William L. Murphy

luy@svm.vetmed.wisc.edu (YL); wlmurphy@wisc.edu (WLM)

Affiliations Departments of Biomedical Engineering, University of Wisconsin, Madison, Wisconson, United States of America, Pharmacology, University of Wisconsin, Madison, Wisconson, United States of America, Orthopedics and Rehabilitation, University of Wisconsin, Madison, Wisconson, United States of America

Competing Interests

Smith&Nephew, Inc., provided titanium implants for this study. There are no further patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: YL JSL BKG RI RV MDM WLM. Performed the experiments: YL JSL BN. Analyzed the data: YL JSL KR RV MDM WLM. Contributed reagents/materials/analysis tools: JSL KR MDM WLM. Wrote the paper: YL. Proofread the manuscript: MDM, WLM.