Study concept and design: Kharbanda, Vazquez-Benitez, Lipkind, Naleway, Jackson, DeStefano, Nordin.
Acquisition, analysis, or interpretation of data: Kharbanda, Vazquez-Benitez, Klein, Cheetham, Naleway, Omer, Hambridge, Lee, Jackson, McCarthy, Nordin.
Drafting of the manuscript: Kharbanda, Vazquez-Benitez, Naleway, Nordin.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Vazquez-Benitez.
Obtained funding: Kharbanda, Klein, Cheetham, Nordin.
Administrative, technical, or material support: Lipkind, Klein, Jackson, McCarthy, DeStefano.
Study supervision: Lipkind, Nordin.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr Klein reported that she has received grant support from GlaxoSmithKline, Sanofi Pasteur, Pfizer, Merck & Co, Novartis, Nuron Biotech, Protein Science, and MedImmune. Dr Cheetham reported that he receives research support from Merck. Dr Naleway reported that she has received research support from GlaxoSmithKline. Dr DeStefano and Ms McCarthy reported that they are employees of the CDC and served as collaborators on this research. No other disclosures were reported.
Funding/Support: This study was funded through contract 200-2012-53526 from the CDC. Additional funding for chart reviews came from contracts 200-2012-53581 and 200-2012-53580 from the CDC Vaccine Safety Datalink infrastructure task order.
Role of the Funder/Sponsor: Both Dr DeStefano and Ms McCarthy assisted with study design, interpretation of findings, and the decision to submit this article for publication. This manuscript underwent the CDC clearance process.
Disclaimer: Findings of this study represent those of the authors and do not necessarily represent the official views of the CDC.
Additional Contributions: We thank Leslie Kuckler, MPH, Beth Molitor, MBA, and Avalow Olsen, BS (HealthPartners Institute for Education and Research) for their assistance with data collection and James G. Donahue, DVM, PhD (Marshfield Clinic) for his thoughtful review of the manuscript. We also thank: Dhavan P. Pasumarthi, BTech (IT), Dianne Eggen, BS, Laurie Van Arman, LPN (HealthPartners Institute for Education and Research), Pat Ross, BA, Julia McDonald, MS, MPH, Cat Magallon, RN, CPC, Margarita Magallon, CPC, RHIT, and Marilyn Foley, RHIT (Kaiser Permanente Northern California), and Lina Sy, MPH, Cheryl Mercado, MPH, Theresa Im, MPH, Bianca Cheung, MS, Fernando Barreda, BS, Karen Schenk, BA, Nancy Canul, Jose Pio, MD, MPH, Sunkhea Kim, MPH, and Gina Lee, MPH, (Kaiser Permanente Southern California) for their help with the chart reviews. Ms Kuckler, Ms Molitor, Mr Parsumarthi, Ms Van Arman, and Ms Eggen all received financial support from CDC, contract 200-2012-53526. Ms McDonald, Ms Ross, Ms Foley, Ms Cat, and Margarita Magallon all received financial support from the CDC, contract 200-2012-53581. Ms Sy, Ms Mercado, Ms Im, Ms Cheung, Mr Barreda, Ms Schenk, Ms Canul, Dr Pio, Ms Kim, and Ms Lee all received financial support from the CDC, contract 200-2012-53580.