1. H. Lee Moffitt Cancer Center, Tampa, FL;
2. Center for International Blood and Marrow Transplant Research, Medical College of Wisconsin, Milwaukee, WI;
3. Center for International Blood and Marrow Transplant Research, Minneapolis, MN;
4. Transplantation Center, Cleveland Clinic, Cleveland, OH;
5. National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD;
6. Immunogentics and Transplantation Laboratory, University of California San Francisco Medical Center; San Francisco, CA;
7. Department of Pediatric Hematology/Oncology, Tel-Aviv Sourasky Medical Center, Tel-Aviv, Israel;
8. Pathology/Blood Center, Stanford University Hospital and Clinics, Stanford, CA;
9. Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN;
10. Hematologic Oncology, Memorial Sloan-Kettering Cancer Center, New York, NY;
11. National Marrow Donor Program, Minneapolis, MN;
12. Department of Pathology, University of Chicago, IL;
13. Anthony Nolan Research Institute and University College London, United Kingdom;
14. Europdonor Foundation, Leiden University Medical Center, Leiden, The Netherlands;
15. Division of Hematology and Oncology, Children's Hospital of Wisconsin, Milwaukee, WI;
16. Division of Blood and Marrow Transplantation, Duke University Medical Center, Durham, NC;
17. Pediatrics, University of Florida, Gainesville, FL;
18. Department of Laboratory Medicine, Karolinska University Hospital, Stockholm, Sweden;
19. Department of Hematology, Ospedale Civile BMT Center, Pescara, Italy;
20. Pediatric Hematology/Oncology/BMT, British Columbia's Children's Hospital, UBC, Vancouver, BC, Canada;
21. Center for Applied Genomics, Children's Hospital & Research Center Oakland, CA;
22. HLA Laboratory, Pathology, St Jude Children's Research Hospital, Memphis, TN; and
23. Fred Hutchinson Cancer Research Center, Seattle, WA