1. Department of Pediatrics, Division of Pediatric Infectious Diseases, Stanford University School of Medicine , Palo Alto, CA , USA
2. Department of Pediatric and Adolescent Medicine, Division of Pediatric Infectious Diseases, Mayo Clinic , Rochester, MN , USA
3. Department of Pediatrics, Division of Infectious Diseases, Children's Healthcare of Atlanta, Emory University School of Medicine , Atlanta, GA , USA
4. Department of Pediatrics, Division of Pediatric Infectious Diseases, Seattle Children's Hospital, University of Washington School of Medicine , Seattle, WA , USA
5. Department of Pediatrics, University of Michigan Medical School , Ann Arbor, MI , USA
6. Department of Pediatrics, Division of Pediatric Infectious Diseases, Rush University Children’s Hospital , Chicago, IL , USA
7. Department of Pediatrics, Division of Infectious Diseases, Washington University in St. Louis School of Medicine , St. Louis, MO , USA
8. Department of Pediatrics, Division of Pediatric Infectious Diseases, Duke University School of Medicine , Durham, NC , USA
9. Department of Pediatrics, Section of Infectious Diseases and Epidemiology, University of Colorado School of Medicine , Aurora, CO , USA