Published Online: November 19, 2012. doi:10.1001/2013.jamainternmed.305
Author Contributions:Study concept and design: Mehrotra, Paone, Martich, and Shevchik. Acquisition of data: Mehrotra, Paone, Martich, and Shevchik. Analysis and interpretation of data: Mehrotra, Martich, and Albert. Drafting of the manuscript: Mehrotra and Paone. Critical revision of the manuscript for important intellectual content: Martich, Albert, and Shevchik. Statistical analysis: Mehrotra and Albert. Obtained funding: Mehrotra, Paone, and Martich. Administrative, technical, and material support: Paone, Martich, and Shevchik. Study supervision: Mehrotra, Paone, Martich, and Shevchik.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported in part by funding from the National Institutes of Health (KL2 RR24154-6, R21 AI097759-01) and the University of Pittsburgh Medical Center.
Online-Only Material: Listen to an author interview about this article, and others, at http://bit.ly/OsqsNt.
Previous Presentation: This study was presented in part at the AcademyHealth Annual Research Meeting; June 25, 2012; Orlando, Florida.