Accepted for Publication: October 30, 2014.
Published Online: February 2, 2015. doi:10.1001/jamapediatrics.2014.3291.
Study concept and design: Ardura, Lewis, Harp, Dienhart, Balint.
Acquisition, analysis, or interpretation of data: Ardura, Lewis, Tansmore, Balint.
Drafting of the manuscript: Ardura, Lewis, Harp.
Critical revision of the manuscript for important intellectual content: Ardura, Lewis, Tansmore, Dienhart, Balint.
Statistical analysis: Ardura, Lewis.
Administrative, technical, or material support: Tansmore, Harp.
Study supervision: Lewis.
Conflict of Interest Disclosures: None reported.
Additional Contributions: We thank Tami Kelly, RN, BSN, CIC, an epidemiology nurse specialist at Nationwide Children’s Hospital, and Richard Brilli, MD, and Wallace Crandall, MD, Nationwide Children’s Hospital and The Ohio State University College of Medicine, for their critical review of the manuscript. They did not receive financial compensation for their contributions.