| Affiliation: | 1. The Division of Infectious Diseases, Children's Hospital of Philadelphia, Philadelphia, PA, USA;2. Department of Pediatrics, School of Medicine, University of Pennsylvania, Philadelphia, PA, USA;3. Attending Physician.;4. Center for Education and Research on Therapeutics, School of Medicine, University of Pennsylvania, Philadelphia, PA, USA;5. Center for Clinical Epidemiology and Biostatistics, School of Medicine, University of Pennsylvania, Philadelphia, PA, USA;6. Biostatistics and Data Management Core, Children's Hospital of Philadelphia, Philadelphia, PA, USA;7. Division of General Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA, USA |
