Author Contributions: Dr Feudtner 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: Feudtner, Kang.
Acquisition of data: Feudtner, Satchell.
Analysis and interpretation of data: Feudtner, Feinstein, Satchell, Zhao.
Drafting of the manuscript: Feudtner, Feinstein.
Critical revision of the manuscript for important intellectual content: Feudtner, Satchell, Zhao, Kang.
Statistical analysis: Feudtner, Feinstein, Zhao.
Obtained funding: Feudtner.
Administrative, technical, or material support: Kang.
Study supervision: Feudtner, Kang.
Financial Disclosures: None reported.
Funding/Support: The conduct of this study was supported in part by grant K08 HS00002 from the Agency for Healthcare Research and Quality and grant R21-NR008614 from the National Institute of Nursing Research of the National Institutes of Health.
Role of the Sponsor: Neither the Agency for Healthcare Research and Quality nor the National Institute of Nursing Research participated in the design and conduct of the study; collection, management, analysis, and interpretation of the data; or in the preparation, review, or approval of the manuscript.