1. Thomas E. Starzl Transplantation Institute; University of Pittsburgh Medical Center; Pittsburgh PA
2. HLA Laboratory; Emory University Hospital; Atlanta GA
3. University of Cincinnati; Cincinnati OH
4. Department of Internal Medicine and Immunology; University of Manitoba; Winnipeg Canada
5. Children's Hospital Los Angeles; Los Angeles CA
6. Emory University Hospital; Atlanta GA
7. Department of Immunohematology and Transfusion; Leiden University Medical Center; Leiden, the Netherlands
8. MLC Group LLC; Phoenix, AZ
9. Comprehensive Transplant Center; Northwestern University Feinberg School of Medicine; Chicago, IL
10. Transplant Immunology Laboratory, Oxford Transplant Centre; Oxford University Hospitals, Oxford University; Oxford, United Kingdom
11. Biomedical Laboratory Diagnostics Program; Michigan State University; East Lansing, MI
12. Digestive Disease Institute; Cleveland Clinic Main Campus; Cleveland, OH
13. Immunology & Histocompatibility Testing Laboratories; Hospital of the University of Pennsylvania; Philadelphia, PA
14. Department of Transplant Immunology; Royal Liverpool and Broadgreen University Hospital; Liverpool, United Kingdom
15. Recanati/Miller Transplantation Institute; Icahn School of Medicine at Mt. Sinai; New York, NY
16. Transplant Immunology Laboratory, Comprehensive Transplant Center, Feinberg School of Medicine; Northwestern University; Chicago, IL
17. Addenbrooke's Hospital; Cambridge University; Cambridge, United Kingdom
18. Division of Nephrology and HLA Laboratory; University Health Network; Toronto, Canada
19. Division of Transplant Pathology, Thomas E. Starzl Transplantation Institute; University of Pittsburgh Medical Center; Pittsburgh, PA