Department of Biological Sciences, UdS, Saarbrücken, Saarland, Germany.|Computer Science Department, UdS, Saarbrücken, Saarland, Germany.|Barts Cancer Institute, Queen Mary University, London, United Kingdom.|Computer Science Department, UdS, Saarbrücken, Saarland, Germany.|Department of Biological Sciences, UdS, Saarbrücken, Saarland, Germany.