Department of Bioinformatics, Biocenter, University of Würzburg, Am Hubland, 97074 Würzburg, Germany. matthias.wolf@biozentrum.uni-wuerzburg.de|Department of Bioinformatics, Biocenter, University of Würzburg, Am Hubland, 97074 Würzburg, Germany. matthias.wolf@biozentrum.uni-wuerzburg.de|Department of Bioinformatics, Biocenter, University of Würzburg, Am Hubland, 97074 Würzburg, Germany. matthias.wolf@biozentrum.uni-wuerzburg.de|Department of Bioinformatics, Biocenter, University of Würzburg, Am Hubland, 97074 Würzburg, Germany. matthias.wolf@biozentrum.uni-wuerzburg.de|Department of Bioinformatics, Biocenter, University of Würzburg, Am Hubland, 97074 Würzburg, Germany. matthias.wolf@biozentrum.uni-wuerzburg.de