1. Department of Pediatrics, The University of Texas Southwestern Medical Center, Dallas, TX;
2. Pauline Allen Gill Center for Cancer and Blood Disorders, Children's Health, Dallas, TX;
3. Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA;
4. Division of Oncology, Center for Childhood Cancer Research and Cancer Immunotherapy Program, Children's Hospital of Philadelphia, Philadelphia, PA;
5. Center for Cellular Immunotherapies,
6. Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA;
7. Department of Pediatrics, Stanford University School of Medicine, Stanford, CA;
8. Division of Haematology/Oncology/BMT, The Hospital for Sick Children, University of Toronto, Toronto, ON, Canada;
9. Infectious Disease Diagnostics Laboratory, Children's Hospital of Philadelphia, Philadelphia, PA; and
10. Novartis Pharmaceuticals Corporation, East Hanover, NJ