Author Contributions: Dr Sharek 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: Sharek, Parast, Leong, Coombs, Earnest, Sullivan, Frankel, Roth.
Acquisition of data: Sharek, Leong, Coombs, Earnest, Frankel.
Analysis and interpretation of data: Sharek, Parast, Roth.
Drafting of the manuscript: Sharek, Leong, Roth.
Critical revision of the manuscript for important intellectual content: Parast, Coombs, Earnest, Sullivan, Frankel.
Statistical analysis: Sharek, Parast, Roth.
Administrative, technical, or material support: Sharek, Parast, Leong, Coombs, Earnest, Sullivan, Frankel, Roth.
Study supervision: Sharek, Leong, Frankel, Roth.
Financial Disclosures: None reported.
Funding/Support: No financial or material support was used for this research.
Additional Contributions: Sandra Trotter, CLS, CPHQ (Patient Safety Program Manager, Lucile Packard Children's Hospital, Palo Alto, California), provided support and unwavering dedication to improving the safety of health care for children locally and nationwide. Chris Gershtein, RN, MSN (Clinical Analyst, Department of Decision Support Services, Lucile Packard Children's Hospital), provided the administrative data crucial for this study. David Wypij, PhD (Senior Lecturer in Biostatistics, Department of Biostatistics, Harvard School of Public Health, Boston, Massachusetts), provided guidance on the statistical modeling used in this study. Mss Trotter and Gershtein and Dr Wypij received no financial or material support for their contributions.