1. Pediatric Emergency Medicine Associates Children's Healthcare of Atlanta at Scottish Rite Atlanta Georgia USA
2. Department of Pediatrics Emory University, Children's Healthcare of Atlanta Atlanta Georgia USA
3. Department of Anesthesiology, Perioperative and Pain Medicine Boston Children's Hospital, Harvard University Boston Massachusetts USA
4. Department of Pediatrics, Division of Critical Care Medicine Emory University, Children's Healthcare of Atlanta Atlanta Georgia USA
5. Department of Pediatrics, Division of Pediatric Emergency Medicine Columbia University New York New York USA
6. Department of Pediatrics, Division of Critical Care Medicine St. Luke's University Health Network Bethlehem Pennsylvania USA