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.