Author Contributions: Dr Stulberg had full access to all of 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: Stulberg, Delaney, Neuhauser, Aron, Koroukian.
Acquisition of data: Stulberg.
Analysis and interpretation of data: Stulberg, Delaney, Neuhauser, Fu, Koroukian.
Drafting of the manuscript: Stulberg, Delaney, Koroukian.
Critical revision of the manuscript for important intellectual content: Stulberg, Delaney, Neuhauser, Aron, Fu, Koroukian.
Statistical analysis: Stulberg, Fu.
Obtained funding: Stulberg.
Administrative, technical or material support: Stulberg.
Study supervision: Delaney, Neuhauser, Aron, Fu, Koroukian.
Financial Disclosures: None reported.
Funding/Support: Dr Stulberg was supported, in part, by grant T32 HS00059 from the Agency for Healthcare Research and Quality. Dr Koroukian was supported by career development award K07 CA96705 from the National Cancer Institute at the time this study was conducted.
Role of the Sponsors: These funding agencies had no role in design and conduct of the study; collection, management, analysis, and interpretation of the data; and preparation, review, or approval of the manuscript.