F8 and hemophilia A: Originally, variants were presented as simple listings in the HAMSTeRS (Haemophilia A Mutation, Search, Test and Resource Site).11, 12, 13 Apart from the dedicated CHAMP database from July 2012 with 2537 unique F8 variants14 and the EAHAD Factor VIII Variant Database (which is a copy of our database15), we are not aware of other FVIII databases.