About the Authors

Erik Corona

Affiliations Lucile Packard Children's Hospital, Stanford, California, United States of America, Department of Pediatrics, Stanford University School of Medicine, Stanford, California, United States of America

Joel T. Dudley

Affiliations Lucile Packard Children's Hospital, Stanford, California, United States of America, Department of Pediatrics, Stanford University School of Medicine, Stanford, California, United States of America

Atul J. Butte

abutte@stanford.edu

Affiliations Lucile Packard Children's Hospital, Stanford, California, United States of America, Department of Pediatrics, Stanford University School of Medicine, Stanford, California, United States of America

Competing Interests

No patents or products in development are pending related to this work. The stated funding from the Hewlett Packard Foundation does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: EC AJB. Performed the experiments: EC. Analyzed the data: EC AJB. Wrote the paper: EC JTD AJB.