1. Department of Pediatrics, Dartmouth–Hitchcock Medical Center, Lebanon, New Hampshire;
2. Departments of Pediatrics, and
3. Department of Pediatrics, University of Texas Health Science Center at San Antonio, San Antonio, Texas;
4. Department of Emergency Medicine, Children’s Hospital of Richmond at Virginia Commonwealth University Health System, Richmond, Virginia;
5. Department of Pediatrics, Children’s Mercy Hospital, Kansas City, Missouri;
6. Department of Pediatrics, DeVos Children’s Hospital, Grand Rapids, Michigan;
7. Department of Critical Care, Dell Children’s Medical Center of Central Texas, Austin, Texas;
8. Children’s Physician Services of South Texas, Driscoll Children’s Hospital, Corpus Christi, Texas;
9. Department of Pediatrics, University of Minnesota Children’s Hospital, Minneapolis, Minnesota;
10. Department of Pediatrics, University of Kansas School of Medicine, Wichita, Kansas;
11. Department of Pediatrics, Connecticut Children’s Medical Center, Hartford, Connecticut;
12. Department of Pediatrics, Children’s Hospital of Central California, Madera, California;
13. Department of Pediatrics, Children’s Hospital Colorado, Aurora, Colorado;
14. Department of Pediatrics, Children’s Hospital of Omaha, Omaha, Nebraska; and
15. Department of Pediatrics, IWK Health Centre, Halifax, Nova Scotia
16. Health Sciences, Penn State College of Medicine, Hershey, Pennsylvania;