EMBL, European Bioinformatics Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge, UK. bourgon@ebi.ac.uk|EMBL, European Bioinformatics Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge, UK. bourgon@ebi.ac.uk|EMBL, European Bioinformatics Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge, UK. bourgon@ebi.ac.uk|EMBL, European Bioinformatics Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge, UK. bourgon@ebi.ac.uk|EMBL, European Bioinformatics Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge, UK. bourgon@ebi.ac.uk