1. Department of Pediatrics, and
2. Divisions of Pediatric Emergency Medicine and
3. Pediatric Critical Care Medicine, Emory University School of Medicine, Atlanta, Georgia;
4. Department of Pediatrics, Baylor College of Medicine, San Antonio, Texas;
5. Department of Anesthesiology, Boston Children's Hospital, Boston, Massachusetts; and
6. Pediatric Emergency Medicine Associates, Children’s Healthcare of Atlanta, Atlanta, Georgia