Computational Systems Biology Laboratory, Department of Biochemical and Molecular Biology, University of Georgia, Athens, GA 30602, USA.|Computational Systems Biology Laboratory, Department of Biochemical and Molecular Biology, University of Georgia, Athens, GA 30602, USA.|Computational Systems Biology Laboratory, Department of Biochemical and Molecular Biology, University of Georgia, Athens, GA 30602, USA.|Computational Systems Biology Laboratory, Department of Biochemical and Molecular Biology, University of Georgia, Athens, GA 30602, USA.|Computational Systems Biology Laboratory, Department of Biochemical and Molecular Biology, University of Georgia, Athens, GA 30602, USA.