1. aDivision of Emergency Medicine, Ann & Robert H. Lurie Children’s Hospital of Chicago, Northwestern University Feinberg School of Medicine, Chicago, Illinois
2. bPediatric Emergency Medicine Associates (PEMA), LLC
3. cDivision of Emergency Medicine, Children’s Healthcare of Atlanta, Atlanta, Georgia
4. dDepartments of Pediatrics and Emergency Medicine, Section of Pediatric Emergency Medicine, Yale School of Medicine, New Haven, Connecticut
5. eDivisions of Pediatric Emergency Medicine and Infectious Diseases, Department of Pediatrics, Baylor College of Medicine, Houston, Texas
6. fDepartments of Emergency Medicine and Pediatrics, University of Michigan, Ann Arbor, Michigan