1. Division of Infectious Diseases, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania
2. Division of Critical Care Medicine, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania
3. Center for Pediatric Clinical Effectiveness, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania
4. Division of Infectious Diseases, Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland
5. Division of Infectious Diseases, Department of Medicine, Boston Children’s Hospital, Boston, Massachusetts
6. Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania, Philadelphia, Pennsylvania
7. Department of Biostatistics, Informatics, and Epidemiology, University of Pennsylvania, Philadelphia, Pennsylvania
8. Department of Informatics, University of Pennsylvania, Philadelphia, Pennsylvania
9. Department of Epidemiology, University of Pennsylvania, Philadelphia, Pennsylvania
10. Division of Infectious Diseases, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania