About the Authors

David J. McIver

david.mciver@childrens.harvard.edu

Affiliation Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America

John S. Brownstein

Affiliation Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DJM. Performed the experiments: DJM. Analyzed the data: DJM. Wrote the paper: DJM. Substantial contribution to concept and design of study and interpretation of data: JSB. Substantial revising of article for critically important content: JSB. Final approval: JSB.