Bioinformatics Group, Department of Computer Science, Interdisciplinary Center for Bioinformatics, Universität Leipzig, Philipp-Rosenthal-Strasse 27, D-04107 Leipzig, Germany.|Bioinformatics Group, Department of Computer Science, Interdisciplinary Center for Bioinformatics, Universität Leipzig, Philipp-Rosenthal-Strasse 27, D-04107 Leipzig, Germany.|Bioinformatics Group, Department of Computer Science, Interdisciplinary Center for Bioinformatics, Universität Leipzig, Philipp-Rosenthal-Strasse 27, D-04107 Leipzig, Germany.|Bioinformatics Group, Department of Computer Science, Interdisciplinary Center for Bioinformatics, Universität Leipzig, Philipp-Rosenthal-Strasse 27, D-04107 Leipzig, Germany.|Bioinformatics Group, Department of Computer Science, Interdisciplinary Center for Bioinformatics, Universität Leipzig, Philipp-Rosenthal-Strasse 27, D-04107 Leipzig, Germany.|Bioinformatics Group, Department of Computer Science, Interdisciplinary Center for Bioinformatics, Universität Leipzig, Philipp-Rosenthal-Strasse 27, D-04107 Leipzig, Germany.