Published on in Vol 5, No 3 (2016): Jul-Sept
1 Brandenburg Medical School, Department of Surgery, University Hospital Brandenburg / Havel, Brandenburg, Germany
2 2Study Centre of the German Surgical Society (SDGC), Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Germany, Heidelberg, Germany
3 University Hospital of Magdeburg, Institute for Biometry and Medical Informatics, Otto von Guericke University, Magdeburg, Germany
4 Institute for Quality Assurance in Surgical Care, Institute, Otto von Guericke University, Magdeburg, Germany
5 SRH Hospital, Department of General, Visceral and Pediatric Surgery, SRH Wald Hospital, Gera, Germany
6 City Hospital, Department of Surgery, Hospital Leverkusen, Leverkusen, Germany
7 Hospital, Department of Surgery, Heinrich Braun Hospital, Kirchberg, Germany
8 Hospital, Department of Surgery, Hospital Herford, Herford, Germany