The European Bioinformatics Institute, Hinxton, Cambridge CB10 1SD, UK. spatient@ebi.ac.uk|The European Bioinformatics Institute, Hinxton, Cambridge CB10 1SD, UK. spatient@ebi.ac.uk|The European Bioinformatics Institute, Hinxton, Cambridge CB10 1SD, UK. spatient@ebi.ac.uk|The European Bioinformatics Institute, Hinxton, Cambridge CB10 1SD, UK. spatient@ebi.ac.uk|The European Bioinformatics Institute, Hinxton, Cambridge CB10 1SD, UK. spatient@ebi.ac.uk|The European Bioinformatics Institute, Hinxton, Cambridge CB10 1SD, UK. spatient@ebi.ac.uk