Computational Genomics, Bielefeld University, 33615 Bielefeld, Germany. rhilker@cebitec.uni-bielefeld.de|Computational Genomics, Bielefeld University, 33615 Bielefeld, Germany. rhilker@cebitec.uni-bielefeld.de|Computational Genomics, Bielefeld University, 33615 Bielefeld, Germany. rhilker@cebitec.uni-bielefeld.de|Computational Genomics, Bielefeld University, 33615 Bielefeld, Germany. rhilker@cebitec.uni-bielefeld.de