Accepted for Publication: April 6, 2012.
Author Contributions: Dr Turrisi 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: Turrisi, Gunn, Warner, and Mallett. Acquisition of data: Gunn, Warner, and Mallett. Analysis and interpretation of data: Turrisi, Gunn, Hultgren, Warner, and Mallett. Drafting of the manuscript: Turrisi, Gunn, Hultgren, and Warner. Critical revision of the manuscript for important intellectual content: Turrisi, Gunn, and Hultgren. Statistical analysis: Turrisi. Obtained funding: Turrisi and Gunn. Administrative, technical, and material support: Turrisi, Gunn, and Warner. Study supervision: Gunn.
Financial Disclosure: None reported.
Funding/Support: Funding was provided by the Pennsylvania State University Children, Youth, and Family Consortium.