1. Department of Pediatrics, Vanderbilt University Medical Center, Vanderbilt University, Nashville, Tennessee
2. Division of Pediatric Infectious Diseases
3. Department of Biostatistics, Vanderbilt University Medical Center, Nashville, Tennessee
4. Centers for Disease Control and Prevention COVID-19 Response Team, Atlanta, Georgia
5. IHRC, Inc, Atlanta, Georgia
6. Department of Pediatrics, School of Medicine, University of Pittsburgh and University of Pittsburgh Medical Center Children’s Hospital of Pittsburgh, Pittsburgh, Pennsylvania
7. Department of Pediatrics, Baylor College of Medicine, Houston, Texas
8. Texas Children's Hospital, Houston, Texas
9. Department of Pediatrics, College of Medicine, University of Cincinnati and Division of Infectious Diseases, Cincinnati Children’s Hospital, Cincinnati, Ohio
10. Department of Pathology and Laboratory Medicine, University of Missouri-Kansas City and Children's Mercy Hospital, Kansas City, Missouri
11. Department of Pediatrics, School of Medicine and Dentistry, University of Rochester, Rochester, New York
12. Department of Pediatrics, University of California at Los Angeles Mattel Children’s Hospital and University of California at Los Angeles, Los Angeles, California
13. Department of Pediatrics, Seattle Children’s Hospital, Seattle, Washington