BiRC - Bioinformatics Research Center, University of Aarhus, Høegh-Guldbergs Gade 10, Building 1090, DK-8000 Arhus C, Denmark. jakobf@birc.au.dk|BiRC - Bioinformatics Research Center, University of Aarhus, Høegh-Guldbergs Gade 10, Building 1090, DK-8000 Arhus C, Denmark. jakobf@birc.au.dk