Department of Informatics, Practical Informatics and Bioinformatics Group, Ludwig-Maximilians-University, Amalienstr 17, D-80333 Munich, Germany.|Department of Informatics, Practical Informatics and Bioinformatics Group, Ludwig-Maximilians-University, Amalienstr 17, D-80333 Munich, Germany.|Department of Informatics, Practical Informatics and Bioinformatics Group, Ludwig-Maximilians-University, Amalienstr 17, D-80333 Munich, Germany.