1. Department of Surgery, Macerata Hospital, 62100 Macerata, Italy
2. Department of Surgery, Amsterdam University Medical Center, University of Amsterdam, 1105AZ Amsterdam, The Netherlands
3. Department of Surgery, Hospital Clínico Universitario, 15706 Santiago de Compostela, Spain
4. Department of Emergency and Trauma Surgery, Pisa University Hospital, University of Pisa, 55126 Pisa, Italy
5. Department of Surgery, Anadolu Medical Center, 41200 Kocaeli, Turkey
6. Department of Surgery, University of Washington, Seattle, WA 98195, USA
7. Department of Colorectal Surgery, Beaumont Hospital, D09V2N0 Dublin, Ireland
8. Department of Surgery, Northwestern University, Chicago, IL 60208, USA
9. Department of Surgery, Tianjin Nankai Hospital, Nankai Clinical School of Medicine, Tianjin Medical University, Tianjin 300100, China
10. Department of Surgery, University Clinical Center of Tuzla, 75000 Tuzla, Bosnia and Herzegovina
11. Department General Surgery, Kipshidze Central University Hospital, Tbilisi 0162, Georgia
12. Department of Emergency and Metabolic Minimally Invasive Surgery, Centre Hospitalier Intercommunal de Poissy/Saint Germain en Laye, 78300 Poissy CEDEX, France
13. Second Department of Surgery, Aretaieion University Hospital, National and Kapodistrian University of Athens, 10679 Athens, Greece
14. Department of Surgery, Nelson R. Mandela School of Clinical Medicine, University of KwaZulu-Natal, Mayville 4058, South Africa
15. Department of Surgery, VA Boston Health Care System, Boston University and Harvard Medical School, Boston, MA 02118, USA
16. Division of General Surgery, School of Medicine, Istanbul Medeniyet University, 34700 Istanbul, Turkey
17. Global Alliance for Infections in Surgery, 62100 Macerata, Italy
18. Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
19. Department of Surgery, BDS Post-Graduate Institute of Medical Sciences, Rohtak 124001, India
20. Department of Abdominal Surgery, University Medical Centre Ljubljana, 1000 Ljubljana, Slovenia
21. Department of Surgery, University of Minnesota, Minneapolis, MN 55455, USA
22. Department of Hepato-Pancreatic-Biliary Surgery, Tan Tok Seng Hospital, Singapore 308433, Singapore
23. Department of Surgery, “Bufalini” Hospital, 47023 Cesena, Italy
24. Department of Surgery, Weill Cornell Medicine, E. Northport, New York, NY 11731, USA