1. Center for Transfusion and Cellular Therapies, Department of Pathology and Laboratory Medicine Emory University School of Medicine Atlanta Georgia USA
2. Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women's Hospital Harvard Medical School Boston Massachusetts USA
3. Department of Pathology and Laboratory Medicine Emory University School of Medicine Atlanta Georgia USA
4. Division of Hematology Johns Hopkins University School of Medicine Baltimore Maryland USA