Saarland University, 66123 Saarbrücken, Germany Institute for Knowledge Discovery, Graz University of Technology, 8010 Graz, Austria.|Saarland University, 66123 Saarbrücken, Germany Max Planck Institute for Informatics, 66123 Saarbrücken, Germany.|Institute for Knowledge Discovery, Graz University of Technology, 8010 Graz, Austria BioTechMed-Graz, Graz, Austria.|University of Southern Denmark, Odense, Denmark.