Affiliation: | 1. Division of Hematology, Children's National Health System, Washington, DC;2. Department of Pathology and Laboratory Medicine, Center for Transfusion and Cellular Therapy, Children's Healthcare of Atlanta, Emory University, Atlanta, Georgia;3. Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Emory University, Atlanta, Georgia;4. Department of Pediatrics, Yale University, New Haven, Connecticut;5. Department of Laboratory Medicine, Yale University, New Haven, Connecticut |