Bioinformatics Department, The Institute for Genomic Research, Rockville, MD 20850, USA. bmajoros@tigr.org|Bioinformatics Department, The Institute for Genomic Research, Rockville, MD 20850, USA. bmajoros@tigr.org|Bioinformatics Department, The Institute for Genomic Research, Rockville, MD 20850, USA. bmajoros@tigr.org