Accepted for Publication: March 5, 2014.
Author Contributions: Drs Carroll and Bauer had full access to all the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Carroll, Anand, Downs.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Carroll, Saha, Downs.
Critical revision of the manuscript for important intellectual content: Bauer, Dugan, Anand, Saha, Downs.
Statistical analysis: Carroll, Saha, Downs.
Obtained funding: Carroll, Saha, Downs.
Administrative, technical, or material support: Carroll, Dugan, Anand, Downs.
Study supervision: Carroll, Anand, Saha, Downs.
Published Online: July 14, 2014. doi:10.1001/jamapediatrics.2014.464.
Conflict of Interest Disclosures: None reported.
Funding/Support: This project was supported by grant R01HS017939 from the Agency for Healthcare Research and Quality.
Role of the Sponsor: The funding source had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Additional Contributions: The Child Health Informatics Research and Development Lab and the Pediatric Research Network group at the Indiana University School of Medicine collected data for this study.