1. Division of Pediatric Emergency Medicine, Ann and Robert H. Lurie Children’s Hospital of Chicago, Illinois
2. Department of Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, Illinois
3. Division of Emergency Medicine, Cincinnati Children’s Hospital Medical Center, Ohio
4. Department of Pediatrics, University of Cincinnati College of Medicine, Ohio
5. Division of Infectious Diseases, Children’s Hospital of Philadelphia, Pennsylvania
6. Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia
7. Departments of Emergency Medicine and Pediatrics, University of California School of Medicine and University of California Davis Health