Center for BioMedical and Environmental Genomics, University of Houston, Houston, TX, USA. ggolovko@bioinfo.uh.edu|Center for BioMedical and Environmental Genomics, University of Houston, Houston, TX, USA. ggolovko@bioinfo.uh.edu|Center for BioMedical and Environmental Genomics, University of Houston, Houston, TX, USA. ggolovko@bioinfo.uh.edu|Center for BioMedical and Environmental Genomics, University of Houston, Houston, TX, USA. ggolovko@bioinfo.uh.edu|Center for BioMedical and Environmental Genomics, University of Houston, Houston, TX, USA. ggolovko@bioinfo.uh.edu|Center for BioMedical and Environmental Genomics, University of Houston, Houston, TX, USA. ggolovko@bioinfo.uh.edu|Center for BioMedical and Environmental Genomics, University of Houston, Houston, TX, USA. ggolovko@bioinfo.uh.edu|Center for BioMedical and Environmental Genomics, University of Houston, Houston, TX, USA. ggolovko@bioinfo.uh.edu|Center for BioMedical and Environmental Genomics, University of Houston, Houston, TX, USA. ggolovko@bioinfo.uh.edu