Accepted for Publication: July 26, 2012.
Author Contributions: Ms Roman and Dr Lugo-Somolinos 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: Roman, Lugo-Somolinos, and Thomas. Acquisition of data: Roman and Thomas. Analysis and interpretation of data: Roman. Drafting of the manuscript: Roman and Thomas. Critical revision of the manuscript for important intellectual content: Lugo-Somolinos and Thomas. Obtained funding: Roman. Administrative, technical, and material support: Roman and Thomas. Study supervision: Lugo-Somolinos and Thomas.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported in part by Case Western Reserve University.
Role of the Sponsors: The sponsors had no role in the design and conduct of the study; in the collection, analysis, and interpretation of data; or in the preparation, review, or approval of the manuscript.
Additional Contributions: We thank the staff of El Pueblo and Carrboro Piedmont Health Center for allowing us to conduct this study in their facilities.