1. Academic Department of Abdominal Wall Surgery, Royal Devon University Foundation Healthcare Trust, North Devon District Hospital , Barnstaple , UK
2. University of Exeter Medical School , Exeter , UK
3. Department of Surgery, OLVG Hospital Amsterdam , Amsterdam , The Netherlands
4. Department of Surgery, Rijnstate Hospital Arnhem , Arnhem , The Netherlands
5. IRCCS San Raffaele Scientific Institute , Milan , Italy
6. Hamburg Hernia Centre, Department of Hernia and Abdominal Wall Surgery, Helios Mariahilf Hospital Hamburg, Teaching Hospital of the University of Hamburg, Hamburg, Germany
7. Department for General and HPB Surgery and Liver Transplantation, Ghent University Hospital , Ghent , Belgium
8. Department of Surgery, Spire Murrayfield Hospital , Edinburgh , UK
9. 3rd Department of Surgery at 1st Medical Faculty of Charles University, Motol University Hospital , Prague , Czech Republic
10. Department of Gastrointestinal and Hepatic Diseases, University of Copenhagen, Herlev Hospital , Copenhagen , Denmark
11. The Czech National Centre for Evidence-Based Healthcare and Knowledge Translation (Cochrane Czech Republic, Czech CEBHC: JBI Centre of Excellence, Masaryk University GRADE Centre), Institute of Biostatistics and Analyses, Faculty of Medicine, Masaryk University , Brno , Czech Republic
12. Department of Health Sciences, Faculty of Medicine, Masaryk University , Brno , Czech Republic
13. Department of Abdominal Surgery, University Hospital Gasthuisberg, KU Leuven , Leuven , Belgium
14. Unit of Innovation in Minimally Invasive Surgery, Department of General and Digestive Surgery, University Hospital Virgen del Rocio, University of Sevilla , Sevilla , Spain
15. Department of Surgery, Skåne University Hospital , Malmö , Sweden
16. Department of Clinical Sciences, Malmö Faculty of Medicine, Lund University , Lund , Sweden
17. Reims Champagne-Ardennes, Department of General, Digestive and Endocrine Surgery, Robert Debré University Hospital , Reims , France
18. Centre for 3D Models of Health and Disease, Division of Surgery and Interventional Science, University College London , London , UK
19. Department of Surgery, University of Genoa , Genoa , Italy
20. Policlinico San Martino, IRCCS , Genoa , Italy