Accepted for Publication: April 1, 2015.
Published Online: June 1, 2015. doi:10.1001/jamapediatrics.2015.0951.
Study concept and design: Wisk, Finkelstein, Sawicki, Toomey, Schuster, Galbraith.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Wisk.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Wisk.
Obtained funding: Finkelstein, Schuster, Galbraith.
Administrative, technical, or material support: Finkelstein, Lakoma.
Study supervision: Finkelstein, Sawicki, Toomey, Schuster, Galbraith.
Conflict of Interest Disclosures: None reported.
Funding/Support: This work was generously supported by grant U18 HS020513 from the Agency for Healthcare Research and Quality and the Centers for Medicare and Medicaid Services (Dr Schuster, principal investigator), grant 5T32HS00063-21 from the Agency for Healthcare Research and Quality (Dr Finkelstein, principal investigator), grant K24HD060786 from the National Institute of Child Health and Human Development (Dr Finkelstein, principal investigator), and by the Thomas O. Pyle Fellowship in the Department of Population Medicine.
Role of the Funder/Sponsor: The funding sources had no role in the design and conduct of the study; collection, management, analysis, or interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Previous Presentation: This paper was presented at the Annual Meeting of the Pediatric Academic Societies; May 3, 2014; Vancouver, Canada; the 20th Annual National Research Services Award Trainees Research Conference; June 7, 2014; San Diego, California; the Annual Research Meeting of AcademyHealth; June 8, 2014; San Diego, California; and the 142nd Annual Meeting and Exposition of the American Public Health Association; November 19, 2014; New Orleans, Louisiana.
Additional Contributions: We wish to acknowledge the contributions of Kelly Horan, MPH, for institutional review board, administrative, and project management support. Ms Horan is affiliated with the Department of Population Medicine at Harvard Medical School and the Harvard Pilgrim Health Care Institute; her efforts were supported by grant U18 HS020513 from the Agency for Healthcare Research and Quality and the Centers for Medicare and Medicaid Services.