Published Online: December 16, 2013. doi:10.1001/jamainternmed.2013.12825.
Study concept and design: Chinn, Liu, Keating.
Acquisition of data: Klabunde, Kahn, Keating.
Analysis and interpretation of data: Chinn, Liu, Klabunde, Kahn, Keating.
Drafting of the manuscript: Chinn, Liu, Keating.
Critical revision of the manuscript for important intellectual content: Chinn, Liu, Klabunde, Kahn, Keating.
Statistical analysis: Chinn, Liu, Keating.
Obtained funding: Kahn, Keating.
Administrative, technical, or material support: Klabunde.
Study supervision: Kahn, Keating.
Conflict of Interest Disclosures: None reported.
Funding/Support: This work of the Cancer Care Outcomes Research and Surveillance (CanCORS) Consortium was supported by grants from the National Cancer Institute (NCI) to the Statistical Coordinating Center (U01 CA093344) and the NCI-supported Primary Data Collection and Research Centers (Dana Farber Cancer Institute/Cancer Research Network [U01 CA093332], Harvard Medical School/Northern California Cancer Center [U01 CA093324], RAND/UCLA [U01 CA093348], University of Alabama at Birmingham [U01 CA093329], University of Iowa [U01 CA093339], University of North Carolina [U01 CA093326]) and by a Department of Veterans Affairs grant to the Durham VA Medical Center [CRS 02-164]. Dr Keating’s effort was also funded by grant 1R01CA164021-01A1 from the NCI.
Role of the Sponsors: Dr Klabunde is an employee of the NCI. Aside from her contributions, the funding agencies had no role in design and conduct of the study; in the collection, analysis, and interpretation of the data; or in the preparation, review, or approval of the manuscript
Previous Presentation: Portions of this work were presented in abstract form at the Society of General Internal Medicine’s 36th Annual Meeting; April 25, 2013; Denver, Colorado.
Additional Contributions: Robert Fletcher, MD, MSc, Harvard Medical School, provided helpful comments on an earlier version of the manuscript.
Correction: This article was corrected on January 8, 2014, to fix the value of the number of respondents reported in the Methods section.