Accepted for Publication: April 13, 2014.
Published Online: August 18, 2014. doi:10.1001/jamapediatrics.2014.696.
Study concept and design: Rosen, Amirault, Onderdonk, Nurko.
Acquisition, analysis, or interpretation of data: Rosen, Amirault, Liu, Mitchell, Hu, Khatwa, Onderdonk.
Drafting of the manuscript: Rosen, Liu.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Rosen, Liu, Mitchell, Hu, Onderdonk.
Obtained funding: Rosen.
Administrative, technical, or material support: Amirault.
Study supervision: Rosen, Khatwa.
Conflict of Interest Disclosures: None reported.
Funding/Support: This work was supported by grants K23 DK073713, 1R03DK089146, and K24DK082792A from the National Institutes of Health and a junior investigator award from the Translational Research Program at Boston Children’s Hospital.
Role of the 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.