Faculty of Medicine, Institute of Biostatistics and Analyses, Masaryk University, Brno, Czech Republic.|Faculty of Science, Research Centre for Toxic Compounds in the Environment, Masaryk University, Brno, Czech Republic.|Faculty of Medicine, Institute of Biostatistics and Analyses, Masaryk University, Brno, Czech Republic.|Faculty of Informatics, Masaryk University, Brno, Czech Republic.|University Institute of Pathology, University of Lausanne, Switzerland.