Author Contributions: Dr Fang had full access to DocStyles data in this study and takes responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Fang, Cogswell, and Merritt. Acquisition of data: Fang and Keenan. Analysis and interpretation of data: Fang, Cogswell, and Merritt. Drafting of the manuscript: Fang and Merritt. Critical revision of the manuscript for important intellectual content: Fang, Cogswell, Keenan, and Merritt. Statistical analysis: Fang and Cogswell. Administrative, technical, and material support: Merritt. Study supervision: Keenan and Merritt.
Financial Disclosure: None reported.
Disclaimer: The findings and conclusions in this report are those of the authors and do not necessarily represent the official position of the Centers for Disease Control and Prevention.