- aDepartment of Pediatrics, and
- cDivision of Emergency and Transport Medicine, Children’s Hospital Los Angeles, Los Angeles, California;
- bSol Price School of Public Policy, University of Southern California, Los Angeles, California; and
- dDepartment of Pediatrics, Keck School of Medicine of the University of Southern California, Los Angeles, California
Dr Sun designed the study and carried out the retrospective data review, performed the data analyses, and drafted the initial manuscript; Dr Liberman conceptualized the study, aided in study design, independently reviewed the data abstracted from the chart review, and reviewed and revised the manuscript; Dr McCarthy independently verified and improved on the data analyses and critically reviewed and revised the manuscript; and all authors approved the final manuscript as submitted.