Accepted for Publication: May 13, 2015.
Published Online: July 20, 2015. doi:10.1001/jamapediatrics.2015.1475.
Study concept and design: All authors.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: All authors.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Hair, Wolfe.
Obtained funding: Wolfe, Pollak.
Administrative, technical, or material support: Hanson, Wolfe.
Study supervision: Wolfe, Pollak.
Conflict of Interest Disclosures: None reported.
Funding/Support: This multisite longitudinal study of typically developing children, including newborns through children in young adulthood, was conducted by the Brain Development Cooperative Group and supported by the National Institute of Child Health and Human Development, the National Institute on Drug Abuse, the National Institute of Mental Health, and the National Institute of Neurological Disorders and Stroke (grants N01-HD02-3343; N01-MH9-0002; and N01-NS-9-2314, -2315, -2316, -2317, -2319, and -2320).
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.
Disclaimer: This article reflects the views of the authors and may not reflect the opinions or views of the National Institutes of Health.
Additional Information: Data used in the preparation of this article were obtained from the Pediatric Magnetic Resonance Imaging Data Repository created by the National Institutes of Health Magnetic Resonance Imaging Study of Normal Brain Development. A listing of the participating sites and a complete listing of the study investigators can be found at http://www.bic.mni.mcgill.ca/nihpd/info/participating_centers.html.
Correction: This article was corrected online August 10, 2015, for errors in Table 3.