1. Division of General, Visceral and Transplant Surgery, Medical University of Graz, Auenbruggerplatz 5, 8036 Graz, Austria
2. Doctoral School of Lifestyle-Related Diseases, Medical University of Graz, Neue Stiftingtalstraße 6, 8010 Graz, Austria
3. Medical Engineering and Computing, Department of Surgery, Medical University of Graz, Auenbruggerplatz 29, 8036 Graz, Austria