1. Clinic of Surgery, Faculty of Medicine in Pilsen, Charles University in Prague, University Hospital Pilsen, Pilsen, Czech Republic
2. Sikl Department of Pathology, Faculty of Medicine in Pilsen, Charles University in Prague, University Hospital Pilsen, Pilsen, Czech Republic
3. Clinic of Pneumology and Phtiseology, Faculty of Medicine in Pilsen, Charles University in Prague, University Hospital Pilsen, Pilsen, Czech Republic