Accepted for Publication: March 1, 2012.
Published Online: June 4, 2012. doi:10.1001 /archpediatrics.2012.547
Author Contributions:Study concept and design: McCormick, Buka, and Brooks-Gunn. Acquisition of data: McCormick, Buka, and Brooks-Gunn. Analysis and interpretation of data: McCormick, Buka, Brooks-Gunn, Salganik, and Mao. Drafting of the manuscript: McCormick, Brooks-Gunn, and Mao. Critical revision of the manuscript for important intellectual content: McCormick, Buka, Brooks-Gunn, Salganik, and Mao. Statistical analysis: Buka, Brooks-Gunn, Salganik, and Mao. Obtained funding: McCormick and Brooks-Gunn. Administrative, technical, and material support: McCormick, Buka, and Brooks-Gunn. Study supervision: McCormick and Brooks-Gunn.
Financial Disclosure: None reported.
Funding/Support: This project was supported through grant 039543 from the Robert Wood Johnson Foundation. For previous sponsoring organizations of the IHDP, see Infant Health and Development Program,19 Brooks-Gunn et al,20 and McCarton et al.21
Role of the Sponsor: Robert Wood Johnson Foundation staff participated in the design of the original trial but had no role in the current report. None of the funders required approval for any of the manuscripts from the IHDP.