[1] University of Pavia,Unit of General Surgery I
[2] Fondazione I.R.C.C.S. Policlinico San Matteo,Department of Emergency and Trauma Surgery
[3] Scripps Clinic Medical Group,General, Emergency and Trauma Surgery Department
[4] Pisa University Hospital,General and Emergency Surgery
[5] Royal Infirmary of Edinburgh,Division of General Surgery
[6] Ernest E Moore Shock Trauma Center at Denver Health,General Surgery
[7] Rambam Health Care Campus,Riverside University Health System Medical Center
[8] Monza University Hospital,Cambridge Colorectal Unit
[9] Comparative Effectiveness and Clinical Outcomes Research Center - CECORC,Departments of Surgery and Critical Care Medicine
[10] Addenbrooke’s Hospital,Department of Surgical Sciences and Advanced Technologies, General Surgery Unit
[11] University of Calgary,Department of Surgical Sciences, Nelson R Mandela School of Clinical Medicine
[12] Cannizzaro Hospital,Trauma and Burns Services
[13] University of KwaZulu-Natal,Division of General Surgery, School of Medicine
[14] Inkosi Albert Luthuli Central Hospital,Division of Surgery and Interventional Science, Hampstead Campus
[15] Istanbul Medeniyet University,Department of Surgery, Harborview Medical Centre
[16] University College London,II Cátedra de Clínica Quirúrgica, Hospital de Clínicas
[17] University of Washington,Department of Surgery
[18] Universidad Nacional de Asunción,Department of Surgery, Amsterdam University Medical Center
[19] Erasmus University Medical Centre,The Research Office, College of Medicine and Health Sciences
[20] University of Amsterdam,Department of General Surgery, Royal Perth Hospital
[21] United Arab Emirates University,Department of Surgery
[22] Los Angeles County + USC Medical Center,Division of General Surgery, Department of Biomedical Science for Health
[23] University of Western Australia,Division of Trauma, Emergency Surgery, and Surgical Critical Care
[24] University Hospital Centre Zagreb,Department of Surgery
[25] I.R.C.C.S. Ospedale Galeazzi – Sant’Ambrogio,Unit of General Surgery
[26] Massachusetts General Hospital and Harvard Medical School,Department of Surgery
[27] Macerata Hospital,General Surgery Unit
[28] San Benedetto del Tronto Hospital,Department of Management
[29] Radboud University Medical Center,Department of General and Thoracic Surgery
[30] ASST Vimercate,Department of Digestive and Emergency Surgery
[31] Università Ca’ Foscari,Trauma Department
[32] University Hospital of Giessen,Department of Emergency Surgery
[33] S. Maria Hospital Trust,Donegal Clinical Research Academy Emergency Surgery Outcome Project
[34] University of California,Department of Surgery, MetroHealth Medical Center Campus
[35] Davis,Third Department of Surgery
[36] Government Gousia Hospital,Department of Surgical Science
[37] City Hospital,Department of Emergency Surgery
[38] Letterkenny University Hospital,Department of Surgery, Tianjin Nankai Hospital, Nankai Clinical School of Medicine
[39] Cowley Shock Trauma Center at the University of Maryland,Department of Surgery, Sackler School of Medicine
[40] Case Western Reserve University,Division of Trauma and General Surgery, Department of Surgery
[41] Attikon University Hospital,Denver Health Medical Center
[42] Cagliari State University,Medical School
[43] Centre Hospitalier Intercommunal de Villeneuve-Saint-Georges,Fondazione Policlinico Universitario A.Gemelli IRCCS
[44] Virginia Commonwealth University,Trauma Center and Emergency Surgery
[45] Tianjin Medical University,Department of General Surgery
[46] Tel Aviv University,Department of Trauma, Hand and Reconstructive Surgery
[47] University of Pittsburgh Medical Center,Department of Anesthesia and Intensive Care
[48] University of Colorado Anschutz Medical Center,Anesthesia and Intensive Care Unit
[49] National and Kapodistrian University of Athens (NKUA),Service de Chirurgie Digestive et Hépato
[50] Università Cattolica,Bilio