1. Department of Dermatology and Venereology, First Faculty of Medicine Charles University and General University Hospital Prague Czech Republic
2. Bioptical Laboratory Ltd Pilsen Czech Republic
3. Department of Dermatology and Venereology, Faculty of Medicine in Pilsen Charles University and University Hospital in Pilsen Pilsen Czech Republic
4. Department of Hematooncology, Faculty of Medicine in Pilsen Charles University and University Hospital in Pilsen Pilsen Czech Republic
5. Department of Pathology, First Faculty of Medicine Charles University and General University Hospital Prague Czech Republic