1. Department of Surgery Erasmus MC – University Medical Centre Rotterdam The Netherlands
2. Department of Abdominal Surgery University Hospital Antwerp University of Antwerp Edegem Belgium
3. Department of Biostatistics Erasmus MC – University Medical Center Rotterdam The Netherlands
4. Department of Gastroenterology and Hepatology Erasmus MC – University Medical Center Rotterdam The Netherlands
5. Department of Immunology Laboratory Medical Immunology Erasmus MC – University Medical Center Rotterdam The Netherlands
6. Department of Surgery Isala Zwolle The Netherlands
7. Department of Surgery IJsselland Ziekenhuis Capelle aan den Ijssel The Netherlands
8. Department of Surgery Reinier de Graaf Gasthuis Delft The Netherlands
9. Department of Surgery Havenziekenhuis Rotterdam The Netherlands
10. Department of Surgery VU University Medical Center Amsterdam The Netherlands
11. Department of Surgery Jeroen Bosch Ziekenhuis Hertogenbosch The Netherlands
12. Department of Surgery Universitair Medisch Centrum Utrecht Utrecht The Netherlands
13. Department of Surgery Onze Lieve Vrouwe Gasthuis Amsterdam The Netherlands
14. Sofradim Production, A Medtronic Company Trévoux France
15. Department of Abdominal Surgery University Hospital Leuven Leuven Belgium