Author Contributions: Dr Epstein 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: Epstein, Rabiner, Johnson, March, and Margolis. Acquisition of data: Epstein, Johnson, and FitzGerald. Analysis and interpretation of data: Epstein, Chrisman, Erkanli, Sullivan, March, Margolis, Norton, and Conners. Drafting of the manuscript: Epstein, Johnson, Chrisman, Erkanli, Sullivan, and Norton. Critical revision of the manuscript for important intellectual content: Epstein, FitzGerald, Erkanli, March, Margolis, and Conners. Statistical analysis: Erkanli and Norton. Obtained funding: Epstein, Rabiner, Johnson, and March. Administrative, technical, and material support: Epstein, Johnson, FitzGerald, Chrisman, Sullivan, March, Margolis, and Conners. Study supervision: Epstein and FitzGerald.