Center for Bioinformatics, Eberhard Karls University Tübingen, Sand 14, 72076 Tübingen, Germany. sturm@informatik.uni-tuebingen.de|Center for Bioinformatics, Eberhard Karls University Tübingen, Sand 14, 72076 Tübingen, Germany. sturm@informatik.uni-tuebingen.de|Center for Bioinformatics, Eberhard Karls University Tübingen, Sand 14, 72076 Tübingen, Germany. sturm@informatik.uni-tuebingen.de|Center for Bioinformatics, Eberhard Karls University Tübingen, Sand 14, 72076 Tübingen, Germany. sturm@informatik.uni-tuebingen.de|Center for Bioinformatics, Eberhard Karls University Tübingen, Sand 14, 72076 Tübingen, Germany. sturm@informatik.uni-tuebingen.de|Center for Bioinformatics, Eberhard Karls University Tübingen, Sand 14, 72076 Tübingen, Germany. sturm@informatik.uni-tuebingen.de|Center for Bioinformatics, Eberhard Karls University Tübingen, Sand 14, 72076 Tübingen, Germany. sturm@informatik.uni-tuebingen.de|Center for Bioinformatics, Eberhard Karls University Tübingen, Sand 14, 72076 Tübingen, Germany. sturm@informatik.uni-tuebingen.de|Center for Bioinformatics, Eberhard Karls University Tübingen, Sand 14, 72076 Tübingen, Germany. sturm@informatik.uni-tuebingen.de|Center for Bioinformatics, Eberhard Karls University Tübingen, Sand 14, 72076 Tübingen, Germany. sturm@informatik.uni-tuebingen.de|Center for Bioinformatics, Eberhard Karls University Tübingen, Sand 14, 72076 Tübingen, Germany. sturm@informatik.uni-tuebingen.de