1. Center for Transfusion and Cellular Therapies, Department of Pathology and Laboratory Medicine Emory University School of Medicine Atlanta Georgia USA
2. Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta Atlanta Georgia USA
3. Department of Pediatrics, Division of Hematology/Oncology Emory University School of Medicine Atlanta Georgia USA
4. Department of Pathology and Cell Biology Columbia University Medical Center, New York Presbyterian Hospital New York New York USA
5. Center for Cancer and Blood Disorders, Children's National Medical Center, Departments of Hematology and Laboratory Medicine George Washington University School of Medicine and Health Sciences Washington DC USA
6. Department of Biostatistics and Bioinformatics Rollins School of Public Health Atlanta Georgia USA
7. Lifesouth Community Blood Centers Gainesville Florida USA