Author Contributions: All of the authors had full access to all the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Sie. Acquisition of data: Sie, Bloom, de Serres, Drake, Elluru, Haddad, Hartnick, MacArthur, Milczuk, Muntz, Perkins, Senders, Smith, Willging, and Zdanski. Analysis and interpretation of data: Sie, Starr, Bloom, Cunningham, Hartnick, Muntz, Senders, and Tollefson. Drafting of the manuscript: Sie, Starr, Bloom, de Serres, Hartnick, and Perkins. Critical revision of the manuscript for important intellectual content: Sie, Starr, Cunningham, Drake, Elluru, Haddad, Hartnick, MacArthur, Milczuk, Muntz, Senders, Smith, Tollefson, Willging, and Zdanski. Statistical analysis: Starr and Hartnick. Administrative, technical, and material support: Sie, Drake, Haddad, MacArthur, and Willging. Study supervision: Sie and Starr.