Author Contributions: Drs White, Magnuson, Moore, Rosenthal, and Desmond had full access to all 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: White, Moore, Rosenthal, Carroll, and Magnuson. Acquisition of data: White, Magnuson, Moore, Carroll, Rosenthal, and Olsen. Analysis and interpretation of data: White, Moore, Magnuson, and Desmond. Drafting of the manuscript: White, Moore, Magnuson, and Rosenthal. Critical revision of the manuscript for important intellectual content: White, Moore, Rosenthal, Carroll, Olsen, and Magnuson. Statistical analysis: Desmond. Obtained funding: Rosenthal. Administrative, technical, and material support: Moore, Carroll, and Magnuson. Study supervision: Moore, Rosenthal, Carroll, Olsen, and Magnuson.