Author Contributions:Study concept and design: Williams, Hall, Brogan, Myers, Newland, and Shah. Acquisition of data: Williams and Hall. Analysis and interpretation of data: Williams, Hall, Brogan, Farris, Myers, and Shah. Drafting of the manuscript: Williams, Hall, Brogan, Myers, and Shah. Critical revision of the manuscript for important intellectual content: Williams, Brogan, Farris, Myers, Newland, and Shah. Statistical analysis: Hall and Shah. Obtained funding: Shah. Administrative, technical, and material support: Brogan and Myers. Study supervision: Williams and Shah.