1. aDepartment of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, Colorado
2. bDepartment of Pediatrics, Children’s National Hospital, Washington, DC
3. cDepartment of Pediatrics, University of South Florida Morsani College of Medicine, Tampa, Florida
4. dDepartment of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama
5. eDepartment of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio
6. fDivision of Pediatric Infectious Diseases, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio