About the Authors

Chih-Jung Hsu

Affiliation Department of Chemistry, The Children's Hospital of Philadelphia and Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Wan-Ting Hsieh

Affiliation Department of Chemistry, The Children's Hospital of Philadelphia and Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Abraham Waldman

Affiliation Department of Chemistry, The Children's Hospital of Philadelphia and Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Fiona Clarke

Affiliation Department of Pathology and Laboratory Medicine, The Children's Hospital of Philadelphia and Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Eric S. Huseby

Affiliation Department of Pathology, University of Massachusetts Medical School, Worcester, Massachusetts, United States of America

Janis K. Burkhardt

baumgart@sas.upenn.edu (TB); jburkhar@mail.med.upenn.edu (JKB)

Affiliation Department of Pathology and Laboratory Medicine, The Children's Hospital of Philadelphia and Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Tobias Baumgart

baumgart@sas.upenn.edu (TB); jburkhar@mail.med.upenn.edu (JKB)

Affiliation Department of Chemistry, The Children's Hospital of Philadelphia and Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CH WH JKB TB. Performed the experiments: CH WH AW. Analyzed the data: CH WH AW JKB TB. Contributed reagents/materials/analysis tools: FC ESH. Wrote the paper: CH JKB TB.