Computational Biology & Bioinformatics, Pacific Northwest National Laboratory. bj@pnl.gov|Computational Biology & Bioinformatics, Pacific Northwest National Laboratory. bj@pnl.gov|Computational Biology & Bioinformatics, Pacific Northwest National Laboratory. bj@pnl.gov|Computational Biology & Bioinformatics, Pacific Northwest National Laboratory. bj@pnl.gov|Computational Biology & Bioinformatics, Pacific Northwest National Laboratory. bj@pnl.gov|Computational Biology & Bioinformatics, Pacific Northwest National Laboratory. bj@pnl.gov|Computational Biology & Bioinformatics, Pacific Northwest National Laboratory. bj@pnl.gov