1. Division of Trauma and Burn Surgery, Children’s National Medical Center, Washington, DC
2. University of California San Francisco Benioff Children’s Hospital Oakland, Oakland
3. Department of Pediatrics, University of Utah School of Medicine, Salt Lake City
4. Department of Pediatrics, Children’s National Health System and the George Washington University School of Medicine and Health Sciences, Washington, DC
5. Department of Pediatrics, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania
6. Department of Critical Care Medicine and Pediatrics, Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania
7. Department of Pediatrics, Children's Hospital Colorado and University of Colorado School of Medicine, Aurora
8. Division of Pediatric General and Thoracic Surgery, UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania
9. Division of Critical Care Medicine, Department of Pediatrics, Nationwide Children's Hospital, Columbus, Ohio
10. Department of Pediatrics, Benioff Children's Hospital, University of California, San Francisco
11. Department of Pediatrics, Children's Hospital of Michigan, Wayne State University, Detroit
12. Central Michigan University, Mt Pleasant
13. Arkansas Children’s Research Institute, Arkansas Children’s Hospital, Little Rock
14. Division of Pediatric Trauma, Department of Surgery, College of Medicine, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
15. Department of Pediatrics, Nationwide Children's Hospital, The Ohio State University, Columbus