Accepted for Publication: November 19, 2013.
Published Online: March 10, 2014. doi:10.1001/jamainternmed.2014.177.
Study concept and design: Fu, van Ryn, Sherman, Burgess, Noorbaloochi, Clothier, Joseph.
Acquisition of data: Fu, Sherman, Noorbaloochi, Clothier, Schlede, Burke.
Analysis and interpretation of data: Fu, Sherman, Burgess, Noorbaloochi, Clothier, Taylor, Joseph.
Drafting of the manuscript: Fu, Clothier, Burke.
Critical revision of the manuscript for important intellectual content: Fu, van Ryn, Sherman, Burgess, Noorbaloochi, Clothier, Taylor, Schlede, Burke, Joseph.
Statistical analysis: Noorbaloochi, Clothier, Taylor.
Obtained funding: Fu, van Ryn, Clothier, Joseph.
Administrative, technical, and material support: Fu, Sherman, Clothier, Schlede, Burke.
Study supervision: Fu, Sherman.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was funded by the Department of Veterans Affairs, Veterans Health Administration, Office of Research and Development, and Health Services Research and Development (IAB-05-303) and registered in clinicaltrials.gov (NCT00608426).
Role of the Sponsor: The sponsor had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Disclaimer: The views expressed in this article are those of the authors and do not necessarily reflect the position or policy of the Department of Veterans Affairs or the United States government.