Author Contributions: Dr Kinney had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Duncan, Paterson, Hoffman, Mokler, Nattie, Kinney.
Acquisition of data: Duncan, Paterson, Hoffman, Mokler, Krous, Haas, Stanley, Kinney.
Analysis and interpretation of data: Duncan, Paterson, Hoffman, Mokler, Borenstein, Belliveau, Krous, Nattie, Trachtenberg, Kinney.
Drafting of the manuscript: Duncan, Hoffman, Mokler, Nattie, Kinney.
Critical revision of the manuscript for important intellectual content: Duncan, Paterson, Hoffman, Mokler, Borenstein, Belliveau, Krous, Haas, Stanley, Nattie, Trachtenberg, Kinney.
Statistical analysis: Trachtenberg.
Obtained funding: Duncan, Paterson, Krous, Kinney.
Administrative, technical, or material support: Duncan, Paterson, Hoffman, Mokler, Belliveau, Haas, Stanley, Kinney.
Study supervision: Duncan, Mokler, Belliveau, Krous, Kinney.
Financial Disclosures: None reported.
Funding/Support: This study was supported by the First Candle/SIDS Alliance, CJ Martin Overseas Fellowship (National Health and Medical Research Council of Australia), CJ Murphy Foundation for Solving the Puzzle of SIDS, CJ Foundation for SIDS, National Institute of Child Health and Development (R37-HD20991 and PO1-HD036379), and Developmental Disabilities Research Center, Children's Hospital Boston (P30-HD18655)
Role of the Sponsors: The role of the funding organizations was solely to provide funding for support of the project for peer review; these organizations had no role in the design or conduct of the study; the collection, management, analysis, or interpretation of the data; or the preparation, review, or approval of the manuscript.
Previous Presentations: This study was presented in part at the annual meeting of the American Association of Neuropathologists; June 2009; San Antonio, Texas.
Additional Contributions: We thank Holcombe E. Grier, MD, Department of Pediatrics, Children's Hospital Boston, Boston, Massachusetts, for helpful discussions in manuscript preparation, without compensation. We also thank the medical examiners of the San Diego County Medical Examiner's Office, San Diego, California, for their dedicated assistance in this study.