About the Authors
- Joseph Bernstein
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* E-mail: Joseph.Bernstein@uphs.upenn.edu
Affiliations Department of Orthopedic Surgery, Veterans Hospital, Philadelphia, Pennsylvania, United States of America, Department of Orthopedic Surgery, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, United States of America
- Chancellor F. Gray
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Affiliation Department of Orthopedic Surgery, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, United States of America
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: JB. Performed the experiments: JB CFG. Analyzed the data: JB CFG. Contributed reagents/materials/analysis tools: JB CFG. Wrote the paper: JB CFG.