1. Division of Emergency Medicine, Department of Pediatrics, Boston Children’s Hospital, Harvard Medical School, Boston, MA, USA
2. Department of Emergency Medicine, University of California Davis Health, School of Medicine, Sacramento, CA, USA
3. Department of Pediatrics, University of California Davis Health, School of Medicine, Sacramento, CA, USA
4. Department of Psychology, University of California Davis, Davis, CA, USA
5. Department of Pediatrics, University of Utah School of Medicine, Salt Lake City, UT, USA
6. Division of Emergency Medicine, Department of Pediatrics, Nationwide Children’s Hospital, The Ohio State University School of Medicine, Columbus, OH, USA
7. Section of Emergency Medicine, Department of Pediatrics, University of Colorado-Denver, School of Medicine, Aurora, CO, USA
8. Division of Emergency Medicine, Department of Pediatrics, Texas Children’s Hospital, Baylor College of Medicine, Houston, TX, USA
9. Division of Emergency Medicine, Department of Pediatrics, St. Louis Children’s Hospital, Washington University School of Medicine in St. Louis, St. Louis, MO, USA
10. Division of Emergency Medicine, Department of Pediatrics, Ann & Robert H, Lurie Children’s Hospital of Chicago, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
11. Division of Emergency Medicine, Nemours Children’s Hospital, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA, USA
12. Division of Emergency Medicine, Department of Pediatrics, New York Presbyterian Morgan Stanley Children’s Hospital, Columbia University College of Physicians and Surgeons, New York, NY, USA
13. Division of Emergency Medicine, Department of Pediatrics, Children’s Hospital of Philadelphia, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
14. Division of Emergency Medicine, Department of Pediatrics, Children’s National Medical Center, The George Washington School of Medicine and Health Sciences, Washington, DC, USA