1. Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children’s Research Hospital, Memphis, TN;
2. Division of Pediatric Hematology/Oncology/Stem Cell Transplantation, Department of Pediatrics, and
3. Department of Microbiology and Immunology, University of Miami, Miami, FL; and
4. Division of Veterinary Pathology, Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN