Accepted for Publication: February 6, 2014.
Published Online: April 7, 2014. doi:10.1001/jamainternmed.2014.588.
Study concept and design: All authors.
Acquisition, analysis, or interpretation of data: Ndumele, Mor, Trivedi.
Drafting of the manuscript: Ndumele.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Ndumele, Mor, Trivedi.
Administrative, technical, or material support: Mor.
Study supervision: Mor, Allen, Trivedi.
Conflict of Interest Disclosures: None reported.
Disclaimer: The views expressed in this article are those of the authors and do not necessarily reflect the policy of the Department of Veterans Affairs or the US government.
Previous Presentation: Portions of this study were presented at the AcademyHealth Annual Research Meeting; June 24, 2013; Baltimore, Maryland.