About the Authors

Yun M. Zhao

Affiliations Division of Pediatric Rheumatology, Department of Pediatrics, Washington University School of Medicine, St Louis, Missouri, United States of America, Department of Biomedical Engineering, Washington University, St Louis, Missouri, United States of America

Anthony R. French

french_a@kids.wustl.edu

Affiliations Division of Pediatric Rheumatology, Department of Pediatrics, Washington University School of Medicine, St Louis, Missouri, United States of America, Department of Biomedical Engineering, Washington University, St Louis, Missouri, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YMZ ARF. Performed the experiments: YMZ. Analyzed the data: YMZ ARF. Wrote the paper: YMZ ARF.