1 General Surgery I, Papa Giovanni XXIII Hospital, Piazza OMS 1, Bergamo, 24127 Italy.
2 Department of Surgery, UPMC, University of Pittsburgh School of Medicine, Pittsburgh, PA USA.
3 Department of Surgical Research, Medical Univeristy of Graz, Graz, Austria.
4 Department of Emergency and Trauma Surgery of the University Hospital of Parma, Parma, Italy.
5 Department of General Surgery, Adria Civil Hospital, Adria, RO Italy.
6 University Hospital Southampton, Southampton, UK.
7 Department of Traumatology, John Hunter Hospital and University of Newcastle, Newcastle, NSW Australia.
8 Acute Care Surgery, Queen's Medical Center, School of Medicine of the University of Hawaii, Honolulu, HI USA.
9 Department of Surgery, IRCCS Policlinico San Donato, University of Milan Medical School, Milan, Italy.
10 University of Verona, Verona, Italy.
11 Unit of Digestive, Hepato-Pancreato-Biliary Surgery and Liver Transplantation, Henri Mondor Hospital AP-HP, Université Paris Est-UPEC, Créteil, France.
12 Surgical Intensive Care Unit, Department of Surgery, Denver Health Medical Center, University of Colorado School of Medicine, Denver, USA.
13 General Surgery - Day Surgery Istituto Clinico Sant'Ambrogio, Insubria University, Milan, Italy.
14 Ospedale San Giovanni Decollato - Andosilla, Civita Castellana, Italy.
15 Emergency Department, Trauma Center, Niguarda Hospital, Milan, Italy.
16 Department of Surgery, Auckland City Hospital, Auckland, New Zealand.
17 Division of Trauma, Surgical Critical Care, Burns, and Acute Care Surgery, University of California San Diego Health Sciences, San Diego, CA USA.
18 Harvard University, Cambridge, MA USA.
19 General, Emergency and Trauma Surgery, Maggiore Hospital Trauma Center, Bologna, Italy.
20 Division of Trauma Surgery, University of Campinas, Campinas, SP Brazil.
21 Department of Surgery, Government Medical College, Chandigarh, India.
22 Tel Aviv University Sackler School of Medicine, Assia Medical Group, Tel Aviv, Israel.
23 Acute Surgical Unit, Canberra Hospital, Canberra, ACT Australia.
24 Surgical Department, Mozyr City Hospital, Mozyr, Belarus.
25 Erasmus MC Rotterdam, Rotterdam, Holland Netherlands.
26 University of Arizona, Tucson, AZ USA.
27 Meilahti Hospital, Helsinki, Finland.
28 Department of Surgery, Harborview Medical Center, Seattle, WA USA.
29 Department of Trauma, Hand, and Reconstructive Surgery, University Hospital, Goethe-University Frankfurt, Frankfurt, Germany.
30 Department of Surgery, University of Florida, Gainesville, FL USA.
31 First General Surgery Clinic, University Hospital St. George/Medical University, Plovdiv, Bulgaria.
32 Department of Surgery, Macerata Hospital, Macerata, Italy.
33 Shock Trauma Center, Critical Care Services, University of Maryland School of Medicine, Baltimore, MD USA.
34 Denver Health Medical Center, Denver, CO USA.
35 Taviloglu Proctology Center, Istanbul, Turkey.
36 Department of Surgery, Medical University of Graz, Graz, Austria.
37 Emergency Surgery, and Surgical Critical Care, Massachusetts General Hospital, Boston, MA USA.
38 DHS, Srinagar, Kashmir India.
39 Trauma and General Surgery & The University of Western Australia, Royal Perth Hospital, Perth, Australia.
40 Infectious Disease Unit, Teaching Hospital, S. Orsola-Malpighi Alma Mater Studiorum, University of Bologna, Bologna, Italy.
41 Letterkenny University Hospital & Donegal Clinical Research Academy, Donegal, Ireland.
42 Virginia Commonwealth University, Richmond, VA USA.
43 Division of General Surgery, Rambam Health Care Campus, Haifa, Israel.
44 Royal Free Campus, University College London, London, UK.