1. Department of Hematology, Oncology and Internal Medicine, University Hospital Brno Faculty of Medicine, Masaryk University Brno Czech Republic
2. Department of Radiology and Nuclear Medicine, University Hospital Brno Faculty of Medicine, Masaryk University Brno Czech Republic
3. Department of Surgery, University Hospital Brno Faculty of Medicine, Masaryk University Brno Czech Republic
4. Department of Gastroenterology and Internal Medicine, University Hospital Brno Faculty of Medicine, Masaryk University Brno Czech Republic
5. Department of Comprehensive Cancer Care, Masaryk Memorial Cancer Institute Faculty of Medicine, Masaryk University Brno Czech Republic
6. Department of Gastroenterology and Digestive Endoscopy Masaryk Memorial Cancer Institute Brno Czech Republic
7. 2nd Department of Internal Medicine – Gastroenterology and Geriatrics, University Hospital Olomouc Faculty of Medicine and Dentistry, Palacky University Olomouc Olomouc Czech Republic