1. Department of Pathology and Laboratory Medicine, Children's Hospital of Philadelphia, Philadelphia, PA;
2. Department of Pathology and Laboratory Medicine,
3. Department of Physiology, and
4. Cell and Molecular Biology Graduate Group, University of Pennsylvania, Philadelphia, PA;
5. Immunotherapy Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea;
6. Division of Hematology, Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA;
7. Department of Hematology, St. Jude Children's Research Hospital, Memphis, TN