Integrative Transcriptomics, Center for Bioinformatics, University of Tübingen, 72076 Tübingen, Germany. guenter.jaeger@uni-tuebingen.de|Integrative Transcriptomics, Center for Bioinformatics, University of Tübingen, 72076 Tübingen, Germany. guenter.jaeger@uni-tuebingen.de|Integrative Transcriptomics, Center for Bioinformatics, University of Tübingen, 72076 Tübingen, Germany. guenter.jaeger@uni-tuebingen.de