1. Division of Infectious Diseases, Department of Biostatistics, Epidemiology and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania;
2. Division of Infectious Diseases, Department of Pediatrics, School of Medicine, Stanford University, Stanford, California and Lucile Salter Packard Children’s Hospital, Palo Alto, California;
3. Division of Infectious Diseases, Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania and Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania;
4. Division of Infectious Disease, Department of Pediatrics, University of Louisville, Louisville, Kentucky;
5. Division of Pediatric Infectious Diseases, Department of Pediatrics, School of Medicine, Vanderbilt University, Nashville, Tennessee;
6. Division of Pediatric Infectious Diseases, University of Michigan, Ann Arbor, Michigan; and
7. Division of Pediatric Infectious Diseases, Department of Pediatrics, Hasbro Children’s Hospital, Providence, Rhode Island