1. Bioinformatics Research National Marrow Donor Program (NMDP) Minneapolis MN USA
2. Czech Stem Cells Registry (CSCR) Prague Czech Republic
3. Anthony Nolan Research Institute (ANRI) and UCL Cancer Institute London UK
4. Registre France Greffe de Moelle Paris France
5. Bone Marrow Donors Worldwide (BMDW), Europdonor Foundation Leiden the Netherlands
6. Deutsche Knochenmark‐spenderdatei (DKMS) Tuebingen Germany
7. Zentrales Knochenmarkspender‐Register (ZKRD) Ulm Germany