Author Contributions: Dr Record and Mr Bilderback had full access to all of 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: Rand, Christmas, Federowicz, and Ziegelstein. Acquisition of data: Record, Patel, and Khajuria. Analysis and interpretation of data: Record, Rand, Christmas, Hanyok, Federowicz, Bilderback, Patel, Hellmann, and Ziegelstein. Drafting of the manuscript: Record, Rand, and Ziegelstein. Critical revision of the manuscript for important intellectual content: Record, Rand, Christmas, Hanyok, Federowicz, Bilderback, Patel, Khajuria, Hellmann, and Ziegelstein. Statistical analysis: Bilderback. Obtained funding: Rand and Hellmann. Administrative, technical, and material support: Record, Patel, and Khajuria. Study supervision: Rand, Christmas, and Ziegelstein.