1. Department for Hepato-Pancreato-Biliary Surgery, University Hospital Medical Centre Bezanijska Kosa, Belgrade, Serbia
2. Department for Surgery with Anaesthesiology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
3. Department for Hepato-Pancreato-Biliary Surgery, University Clinic for Digestive Surgery, University Clinical Centre of Serbia, Belgrade, Serbia
4. Centre for Radiology and Magnetic Resonance Imaging, University Clinical Centre of Serbia, Belgrade, Serbia
5. Institute of Pathology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia