UK: http://www.nhsbt.nhs.uk/bonemarrow/
USA: http://www.marrow.org/index.html?src=tabhome
Canada [bilingual site]: http://www.blood.ca/
Australia: http://www.abmdr.org.au/
New Zealand: http://www.bonemarrow.org.nz/
Belgium [trilingual site; this link to English version]: http://www.mdpb.be/EN/
Israel: http://www.ezermizion.org/Bone_Marrow_Donor_Registry/
Netherlands1: http://europdonor.nl/donor/aanmelden/
Netherlands2: http://www.stamceldonor.org/index.php