| Swiss Society of Surgery (SGC) |
| Medical Society of the Canton of Zurich (AGZ) |
| American Pancreatic Association, Inc. |
| Pancreas Club, Inc., Dept. of Surgery, |
| European Pancreatic Club (EPC), Dept. of Medicine |
| International Association of Pancreatology (IAP) |
| German Society for Surgery |
| Surgical Research Section of the German Society for Surgery |
| German Society for Digestive and Metabolic Diseases (DGVS) |
| European Digestive Surgery (EDS), c/o Karger AG |
| German Colitis/Crohn Association (DCCV) |
| Surgical Working Group Minimally Invasive Surgery (CAMIC) |
| Chirurgische Arbeitsgemeinschaft Tele- und Computerassistierte Chirurgie (CATC) (CAMIC) |
| Surgical Working Group for Tele- and Computer-Assisted Surgery (CATC) |
| German Working Group on Chronic Inflammatory Bowel Diseases (DACED) |
| German Transplant Society (DTG)) |
| International Hepatobiliary Association (IHPBA) |
| European Society for Organ Transplantation (ESOT) |
| European Surgical Association (ESA) |
| Partner with h-care |