1. Center for Pediatric Clinical Effectiveness, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania
2. Division of Neonatology, Children’s Hospital of Philadelphia Newborn Care at Pennsylvania Hospital, Philadelphia
3. Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia
4. Center for Pharmacoepidemiology Research and Training, University of Pennsylvania Perelman School of Medicine, Philadelphia
5. Division of Pediatric Infectious Diseases, Department of Pediatrics, Duke University Medical Center, Durham, North Carolina
6. Division of Pediatric Infectious Diseases, Department of Pediatrics, C. S. Mott Children’s Hospital/University of Michigan, Ann Arbor
7. Healthcare Analytics Unit, Department of Biomedical and Health Informatics, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania
8. Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania Perelman School of Medicine, Philadelphia
9. Division of Pediatric Infectious Diseases, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania