1. Division of Infectious Diseases Children’s Hospital of Philadelphia Philadelphia Pennsylvania USA
2. Pediatric IDEAS Research Group of the Center for Pediatric Clinical Effectiveness Children’s Hospital of Philadelphia Philadelphia Pennsylvania USA
3. Department of Pediatrics Perelman School of Medicine of the University of Pennsylvania Philadelphia Pennsylvania USA
4. Department of Biostatistics, Epidemiology and Informatics Perelman School of Medicine of the University of Pennsylvania Philadelphia Pennsylvania USA
5. Antimicrobial Stewardship Program Center for Healthcare Quality and Analytics Children’s Hospital of Philadelphia Philadelphia Pennsylvania USA