Accepted for Publication: May 28, 2013.
Published Online: August 5, 2013. doi:10.1001/jamainternmed.2013.9071.
Study concept and design: Li, Daling, Malone.
Acquisition of data: Li, Daling, Porter.
Analysis and interpretation of data: Li, Tang, Haugen, Porter.
Drafting of the manuscript: Li, Tang.
Critical revision of the manuscript for important intellectual content: Li, Daling, Haugen, Porter, Malone.
Statistical analysis: Tang, Haugen.
Obtained funding: Li, Daling, Malone.
Administrative, technical, or material support: Li.
Study supervision: Li.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was funded by the National Cancer Institute (R01-CA105041) and the US Department of Defense (W81XWH-05-1-0482).
Role of the Sponsors: Neither funding organization was involved with the design and conduct of the study; collection, management, analysis, and interpretation of the data; or preparation, review, or approval of this manuscript.