1. Division of Pediatric Emergency Medicine, Department of Pediatrics, The Children’s Hospital at Montefiore, Bronx, New York
2. Department of Pediatrics, Albert Einstein College of Medicine, Bronx, New York
3. Division of Emergency Medicine, Boston Children’s Hospital, Boston, Massachusetts
4. Department of Pediatrics, Harvard Medical School, Boston, Massachusetts
5. Division of Emergency Medicine, Ann & Robert H. Lurie Children’s Hospital of Chicago, Chicago, Illinois
6. Feinberg School of Medicine, Northwestern University, Chicago, Illinois