About the Authors

Mitra Lavasani

jhuard@pitt.edu (JH); mil39@pitt.edu (ML)

Affiliations Stem Cell Research Center, Children's Hospital of Pittsburgh of UPMC, Pittsburgh, Pennsylvania, United States of America, Department of Bioengineering, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Sebastian Gehrmann

Affiliation Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, United States of America

Burhan Gharaibeh

Affiliations Stem Cell Research Center, Children's Hospital of Pittsburgh of UPMC, Pittsburgh, Pennsylvania, United States of America, Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, United States of America

Katherine A. Clark

Affiliation Center for Biologic Imaging, Departments of Cell Biology and Physiology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America

Robert A. Kaufmann

Affiliation Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, United States of America

Bruno Péault

Affiliations Stem Cell Research Center, Children's Hospital of Pittsburgh of UPMC, Pittsburgh, Pennsylvania, United States of America, Department of Pediatrics, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Robert J. Goitz

Affiliation Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, United States of America

Johnny Huard

jhuard@pitt.edu (JH); mil39@pitt.edu (ML)

Affiliations Stem Cell Research Center, Children's Hospital of Pittsburgh of UPMC, Pittsburgh, Pennsylvania, United States of America, Department of Bioengineering, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America, Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, United States of America, Department of Molecular Genetics and Biochemistry, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Competing Interests

The corresponding author for this submission, Johnny Huard, receives consulting fees from Cook MyoSite Inc. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: ML SG BG RAK BP RJG JH. Performed the experiments: ML SG BG KAC. Analyzed the data: ML BG KAC. Contributed reagents/materials/analysis tools: RJG JH. Wrote the paper: ML BP. Collection of data: ML SG BG KAC. Final approval of the paper: ML SG BG KAC RAK BP RJG JH.