1. Department of Internal Medicine—Hematooncology, University Hospital Brno and Masaryk University, Brno 625 00, Czech Republic; Faculty of Veterinary Medicine, University of Veterinary and Pharmaceutical Sciences, Brno 612 42, Czech Republic; Czech Geological Survey, Brno 658 69, Czech Republic; and Department of Histology and Embryology, Faculty of Medicine, Masaryk University, Brno 662 43, Czech Republic