Accepted for Publication: September 24, 2011.
Published Online: December 12, 2011. doi:10.1001/archinternmed.2011.593
Author Contributions: Dr Cohen had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Cohen and Cornblath. Acquisition of data: Cohen, Christo, Erdek, Kurihara, Buckenmaier, and Cornblath. Analysis and interpretation of data: Cohen, Gupta, Strassels, and Griffith. Drafting of the manuscript: Cohen and Strassels. Critical revision of the manuscript for important intellectual content: Gupta, Strassels, Christo, Erdek, Griffith, Kurihara, Buckenmaier, Cornblath, and Cornblath. Statistical analysis: Gupta and Strassels. Administrative, technical, and material support: Gupta, Griffith, Kurihara, Buckenmaier, Cornblath, and Cornblath. Study supervision: Cohen, Christo, Erdek, and Griffith. Recruitment and treatment: Vu.
Financial Disclosure: None reported.
Funding/Support: This work was funded in part by a Congressional grant from the John P. Murtha Neuroscience and Pain Institute, Johnstown, PA (through the Defense and Veterans Pain Management Initiative, Rockville, MD).
Disclaimer: The opinions or assertions contained herein are the private views of the authors and are not to be construed as official or as reflecting the views of the Department of the Army or the Department of Defense.
This article was corrected for a data reporting error in the Comment section on Febrary 21, 2012.