Published Online: March 16, 2015. doi:10.1001/jamapediatrics.2014.3702.
Study concept and design: Leyenaar, Lagu, Lindenauer.
Acquisition, analysis, or interpretation of data: Leyenaar, Shieh, Pekow, Lindenauer.
Drafting of the manuscript: Leyenaar.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Shieh, Pekow.
Obtained funding: Leyenaar.
Administrative, technical, or material support: Lagu, Lindenauer.
Study supervision: Lagu, Pekow, Lindenauer.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported by the Charlton Grant Research Program at Tufts University School of Medicine. Dr Lagu is supported by award K01HL114745 from the National Heart, Lung, and Blood Institute of the National Institutes of Health.
Role of the Funder/Sponsor: The funders 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.