About the Authors

Emily H. Chan

Affiliations Children's Hospital Informatics Program, Harvard-Massachusetts Institute of Technology Division of Health Sciences and Technology, Boston, Massachusetts, United States of America, Division of Emergency Medicine, Children's Hospital Boston, Boston, Massachusetts, United States of America

Vikram Sahai

Affiliation Google Inc., Mountain View, California, United States of America

Corrie Conrad

Affiliation Google Inc., Mountain View, California, United States of America

John S. Brownstein

john_brownstein@harvard.edu

Affiliations Children's Hospital Informatics Program, Harvard-Massachusetts Institute of Technology Division of Health Sciences and Technology, Boston, Massachusetts, United States of America, Division of Emergency Medicine, Children's Hospital Boston, Boston, Massachusetts, United States of America, Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, United States of America

Competing Interests

This study was supported by funding from Google Inc., and two of the authors (VS, CC) are employees of Google Inc.

Author Contributions

Conceived and designed the experiments: EHC VS CC JSB. Performed the experiments: EHC VS. Analyzed the data: EHC VS CC JSB. Contributed reagents/materials/analysis tools: EHC VS. Wrote the paper: EHC VS CC JSB.