Accepted for Publication: February 18, 2011.
Author Contributions: Dr Glanz had full access to all 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: Glanz, Hambidge, Daley, Narwaney, Xu, and Nordin. Acquisition of data: Glanz, Newcomer, Narwaney, Baggs, Klein, Naleway, and Weintraub. Analysis and interpretation of data: Glanz, Newcomer, Hambidge, Daley, Xu, Lee, Nordin, Belongia, and Weintraub. Drafting of the manuscript: Glanz, Newcomer, Daley, and Weintraub. Critical revision of the manuscript for important intellectual content: Glanz, Newcomer, Hambidge, Daley, Narwaney, Xu, Lee, Baggs, Klein, Nordin, Naleway, Belongia, and Weintraub. Statistical analysis: Glanz, Newcomer, and Baggs. Obtained funding: Glanz, Hambidge, and Klein. Administrative, technical, and material support: Narwaney, Baggs, and Weintraub. Study supervision: Glanz, Hambidge, Daley, and Klein.
Financial Disclosure: None reported.
Funding/Support: This study was funded through a subcontract with America's Health Insurance Plans under contract 200-2002-00732 from the Centers for Disease Control and Prevention.
Disclaimer: The findings and conclusions in this study are those of the authors and do not necessarily represent the official position of the Centers for Disease Control and Prevention.
Previous Presentation: Preliminary findings of this study were presented at the Annual Meeting of the Pediatric Academic Societies; May 2, 2009; Baltimore, Maryland.
Additional Contributions: Jo Ann Shoup, MS, and Kate Burniece, BS, assisted with project management and medical record abstraction. Lisa Jackson, MD, MPH, provided input on an earlier version of the manuscript. We thank the data management and medical record abstraction staff at each of the participating sites for their valuable work in creating the Vaccine Safety Datalink data sets and for their review of medical records.