1. Division of Critical Care Medicine; Department of Pediatrics; Emory University School of Medicine and Children's Healthcare of Atlanta at Egleston; Atlanta GA USA
2. Department of Pediatrics; Emory University School of Medicine; Atlanta GA USA
3. Department of Medicine; Mercer University School of Medicine; Macon GA USA
4. Department of Anesthesia; Emory University School of Medicine; Atlanta GA USA
5. Pediatric Sedation Services; Yale School of Medicine and Yale New Haven Children's Hospital; New Haven CT USA
6. Department of Anesthesia; Harvard School of Medicine and Boston Children's Hospital; Boston MA USA