1. Cleveland Clinic; Cleveland OH USA
2. NMDP Bioinformatics; Minneapolis MN USA
3. New Zealand Blood Service; Epsom Auckland, New Zealand
4. University of Leiden; Leiden Netherlands
5. Royal Perth Hospital; Perth Australia
6. HLA Foundation Laboratory; Kyoto Japan
7. Rush University; Chicago IL USA
8. Genocenter Labs; Damascus Syria
9. Northwestern University; Chicago IL USA
10. Children's Hospital of Philadelphia; Philadelphia PA USA
11. Hamad Medical Corporation; Doha Qatar
12. St. Jude Children's Research Hospital Memphis; TN USA
13. University of Pennsylvania; Philadelphia PA USA
14. Sheikh Khalifa Medical City, Abu Dhabi; UAE
15. University of Michigan; Ann Arbor, MI USA
16. Mayo Clinic, Rochester; MN USA
17. Transplant Laboratory of Panama; Panama, Republic of Panama
18. Department of Immunology and Immunogenetics; InDRE, Mexico City, Mexico
19. Franciscan St. Francis Health Beech Grove, ; IN USA
20. Wake Forest University, Winston-Salem; NC USA
21. King Abdulaziz Medical City; Riyadh, Saudi Arabia
22. Kashi Clinical Laboratories, Portland, ; OR USA
23. Stanford University; Palo Alto CA USA