1. Department of Surgery, Franciscus Gasthuis en Vlietland , Rotterdam , the Netherlands
2. Department of Hepatic and Digestive diseases, Herlev University Hospital , Copenhagen , Denmark
3. Department of Vascular Surgery, Manchester University NHS Foundation Trust , Manchester , UK
4. Mediterranean Hospital of Cyprus , Limassol , Cyprus
5. Medical School, European University Cyprus , Nicosia , Cyprus
6. Medical Library, Erasmus MC, Erasmus University Medical Centre , Rotterdam , the Netherlands
7. Department of Plastic Surgery, University of Pennsylvania Health System, Penn Presbyterian Medical Center , Philadelphia, Pennsylvania , USA
8. Certified Hernia Center, Wilhelminenspital , Veinna , Austria
9. Paracelsus Medical, University Salzburg , Salzburg , Austria
10. Hernia Istanbul®, Hernia Surgery Centre , Istanbul , Turkey
11. Department of Surgery, University of California San Francisco , San Francisco, California , USA
12. Department of Surgery, Novant/New Hanover Regional Medical Center , Wilmington, North Carolina , USA
13. Department of Surgery, Penn State Health Department , Hershey, Pennsylvania , USA
14. Hernia Center, Vivantes Humboldt-Hospital, Academic Teaching Hospital of Charité University Medicine , Berlin , Germany
15. Klinikum der Ludwig-Maximillians-Universität München , Munchen , Germany
16. Janssen Oncology , Los Angeles, CA , USA
17. Abdominal Wall Surgery Unit, Department of General Surgery, Hospital Universitari Vall d’Hebron, Unviversitat Autònoma de Barcelona , Barcelona , Spain
18. Department of Surgery, NYU Langone Health/NYU Grossman School of Medicine , New York, New York , USA
19. Division of Gastrointestinal Surgery, University of Pennsylvania , Philadelphia, Pennsylvania , USA
20. Department of Surgery, Kantonsspital Baden , Baden , Switzerland
21. Department of Surgery, Erasmus University Medical Centre , Rotterdam , the Netherlands
22. Department of Surgery, Policlinico San Martino IRCCS and Department of Surgical Sciences, University of Genoa , Genoa , Italy
23. Department of Surgery, University Hospital of Wales , Cardiff , UK
24. Department of Surgery, Maria Middelares Hospital , Ghent , Belgium