Institute of Computer Science, University of Muenster, 48149 Muenster and Department of Bioinformatics, University of Applied Sciences Weihenstephan-Triesdorf, 94315 Straubing, Germany.|Institute of Computer Science, University of Muenster, 48149 Muenster and Department of Bioinformatics, University of Applied Sciences Weihenstephan-Triesdorf, 94315 Straubing, Germany.|Institute of Computer Science, University of Muenster, 48149 Muenster and Department of Bioinformatics, University of Applied Sciences Weihenstephan-Triesdorf, 94315 Straubing, Germany.|Institute of Computer Science, University of Muenster, 48149 Muenster and Department of Bioinformatics, University of Applied Sciences Weihenstephan-Triesdorf, 94315 Straubing, Germany.