Published Online: August 26, 2013. doi:10.1001/jamainternmed.2013.9329.
Study concept and design: All authors.
Acquisition of data: Hyle.
Analysis and interpretation of data: All authors.
Drafting of the manuscript: All authors.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Hyle, Walensky.
Administrative, technical, or material support: Walensky.
Study supervision: Sax.
Conflict of Interest Disclosures: None reported.
Funding/Support: This work was supported by the National Institutes of Allergy and Infectious Disease (grants R37 AI42006 and T32 A1007433).
Role of the Sponsor: The funding source had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; and preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Additional Contributions: We thank the Cost Effectiveness of Preventing AIDS Complications (CEPAC) research group.