1. COVID-19 Response, Centers for Disease Control and Prevention , Atlanta, Georgia , USA
2. Division of Infectious Diseases and Geographic Medicine, University of Texas Southwestern Medical Center , Dallas, Texas , USA
3. Department of Pediatrics, Division of Infectious Diseases, Cincinnati Children’s Hospital Medical Center and University of Cincinnati , Cincinnati, Ohio , USA
4. Division of Transplantation, Health Systems Bureau, Health Resources and Services Administration , Rockville, Maryland , USA
5. Division of Pediatric Infectious Diseases, Department of Pediatrics, University of Pittsburgh School of Medicine and UPMC Children’s Hospital of Pittsburgh , Pittsburgh, Pennsylvania , USA
6. United Network for Organ Sharing , Richmond, Virginia , USA