About the Authors

Xiaodong Mu

Affiliations The Laboratory of Molecular Pathology, Stem Cell Research Center, Children’s Hospital of UPMC, Pittsburgh, Pennsylvania, United States of America, Department of Orthopaedic Surgery, University of Pittsburgh, School of Medicine Pittsburgh, Pennsylvania, United States of America

Ian Bellayr

Affiliations The Laboratory of Molecular Pathology, Stem Cell Research Center, Children’s Hospital of UPMC, Pittsburgh, Pennsylvania, United States of America, Department of Bioengineering, University of Pittsburgh, Pennsylvania, United States of America

Haiying Pan

Affiliations Department of Pediatric Surgery, University of Texas Medical School at Houston, Houston, Texas, United States of America, Center for Stem Cell Research and Regenerative Medicine, University of Texas Health Science Center at Houston, Houston, Texas, United States of America

Yohan Choi

Affiliations Department of Pediatric Surgery, University of Texas Medical School at Houston, Houston, Texas, United States of America, Center for Stem Cell Research and Regenerative Medicine, University of Texas Health Science Center at Houston, Houston, Texas, United States of America

Yong Li

yong.li.1@uth.tmc.edu

Affiliations Department of Pediatric Surgery, University of Texas Medical School at Houston, Houston, Texas, United States of America, Center for Stem Cell Research and Regenerative Medicine, University of Texas Health Science Center at Houston, Houston, Texas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XM YL. Performed the experiments: XM IB HP. Analyzed the data: XM IB. Contributed reagents/materials/analysis tools: XM HP. Wrote the paper: XM YC YL.