Accepted for Publication: August 15, 2011.
Author Contributions: Dr Fritz 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: Fritz, Eisenstein, Garbutt, and Fraser. Acquisition of data: Fritz, Hogan, Hayek, Eisenstein, and Rodriguez. Analysis and interpretation of data: Fritz, Hogan, and Krauss. Drafting of the manuscript: Fritz and Hogan. Critical revision of the manuscript for important intellectual content: Fritz, Hogan, Hayek, Eisenstein, Rodriguez, Krauss, Garbutt, and Fraser. Statistical analysis: Fritz, Hogan, and Krauss. Obtained funding: Fritz. Administrative, technical, and material support: Fritz, Hayek, Eisenstein, and Rodriguez. Study supervision: Fritz, Garbutt, and Fraser.
Financial Disclosure: None reported.
Funding/Support: This research was supported by the Infectious Diseases Society of America/National Foundation for Infectious Diseases Pfizer Fellowship in Clinical Disease, the Washington University Department of Pediatrics, and National Institutes of Health (NIH) grants UL1-RR024992 and KL2RR024994 from the National Center for Research Resources, a component of the NIH, and NIH Roadmap for Medical Research.
Disclaimer: The contents of this article are solely the responsibility of the authors and do not necessarily represent the official view of the National Center for Research Resources or NIH.
Role of the Sponsors: The study sponsors had no role in the design and conduct of the study; the collection, management, analysis, and interpretation of the data; or the preparation, review, or approval of the manuscript.
Additional Contributions: We thank the Washington University Pediatric and Adolescent Ambulatory Research Consortium physicians and staff members for assisting in patient recruitment: Blue Fish Pediatrics, Esse Health–Webster Groves, Forest Park Pediatrics, Myrtle Hilliard Davis Comprehensive Health Centers, Patients First Pediatrics, Pediatric Healthcare Unlimited, St Louis Pediatric Practitioners, Southwest Pediatrics, and Tots Thru Teens Pediatrics. We thank Gregory Storch, MD, and David Hunstad, MD, for their thoughtful reviews of the manuscript. We also appreciate the assistance with patient recruitment provided by Emma Epplin, MPH, and Madeline Martin, RN.