1. Division of Emergency Medicine and
2. Department of Pediatrics, Harvard Medical School, Boston, Massachusetts;
3. Department of Pediatrics, Hospital for Sick Children, Toronto, Canada;
4. Public Health Unit, North Lisbon Healthcare Centers, Lisbon, Portugal; and
5. Children’s Hospital Informatics Program at the Harvard-MIT Division of Health Sciences and Technology, Children’s Hospital Boston, Boston, Massachusetts;
6. Stanford Prevention Research Center, Department of Medicine, and
7. Department of Health Research and Policy, Stanford University School of Medicine, Stanford, California