1. aDivision of Epidemiology, Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, Utah
2. bSmith Child Health Catalyst, Ann & Robert H. Lurie Children’s Hospital of Chicago, Northwestern University Feinberg School of Medicine, Chicago, Illinois
3. cDivision of Infectious Diseases, Children’s Hospital of Philadelphia, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
4. dDepartments of Emergency Medicine and Pediatrics, University of California, Davis, School of Medicine, Sacramento, California
5. eDivision of Emergency Medicine, Ann & Robert H. Lurie Children’s Hospital of Chicago, Northwestern University Feinberg School of Medicine, Chicago, Illinois