1. Department of Pathology; Charles University; Medical Faculty and Charles University Hospital Plzen; Pilsen Czech Republic
2. Biomedical Centre; Faculty of Medicine in Plzen and Charles University Hospital Plzen; Pilsen Czech Republic
3. Department of Pathology and MCW Cancer Center; Medical College of Wisconsin; Milwaukee WI USA
4. Department of Pathology and Laboratory Medicine; The University of Kansas School of Medicine; Kansas City KS USA
5. Department of Pathology; Charles University; Third Medical Faculty and Charles University Hospital Kralovske Vinohrady; Prague Czech Republic