1. Department of Biology and Ecology; Faculty of Science; University of Ostrava; Ostrava Czech Republic
2. Department of Clinical Studies; Faculty of Medicine; University of Ostrava; Ostrava Czech Republic
3. Department of Haemato-Oncology; University Hospital Ostrava; Ostrava Czech Republic
4. Department of Experimental Biology; Faculty of Science; Masaryk University; Brno Czech Republic
5. Department of Clinical Haematology; University Hospital Brno; Brno Czech Republic