Author Contributions: Dr Segal 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: Segal, Brotman, Necochea, Emadi, Wilson, Crim, Bass.
Acquisition of data: Segal, Brotman, Necochea, Emadi, Samal, Wilson.
Analysis and interpretation of data: Segal, Brotman, Necochea, Emadi, Bass.
Drafting of the manuscript: Segal, Brotman, Necochea, Emadi, Samal.
Critical revision of the manuscript for important intellectual content: Segal, Brotman, Necochea, Emadi, Wilson, Crim, Bass.
Statistical analysis: Segal, Necochea.
Obtained funding: Segal, Bass.
Administrative, technical, or material support: Brotman, Emadi, Wilson, Crim.
Study supervision: Segal, Bass.
Financial Disclosures: None reported.
Funding/Support: This article was prepared under contract HHSSA 290-2007-10061-I Task Order No. 4 for the Agency for Healthcare Research and Quality (AHRQ). The report on which this article is based was requested and funded by the Centers for Disease Control and Prevention for the EGAPP working group.
Role of the Sponsors: The funding agency reviewed the final work plan prior to the project's initiation; reviewed the manuscript for the purpose of approval to assert copyright; and reviewed the acknowledgement of funding statement and the disclaimer. Aside from these exceptions, the funding source had no role in the 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.
Disclaimer: Statements in the report should not be construed as endorsement by the Agency for Healthcare Research and Quality, the Centers for Disease Control and Prevention, or the US Department of Health and Human Services.
Additional Contributions: We gratefully acknowledge the editorial assistance of Renee Wilson, MSc, Olaide Odelola, MBBS, MPH, and Ritu Sharma, BS, Johns Hopkins University School of Medicine (who all received only regular salary compensation for their contributions), and the input of all of our technical experts.
Additional Information: This report is being published simultaneously by AHRQ and is available at http://www.ahrq.gov/clinic/tp/fvltp.htm.