The authors sincerely thank all collaborators of the study for participation in the survey.
The WSES COVID-19 emergency surgery survey collaboration group (only those who agree are listed as collaborators)
Adam Peckham-Cooper, Leeds Teaching Hospitals NHS Trust, United Kingdom
Adrian Camacho-Ortiz, Hospital Epidemiology and Infectious diseases, Hospital Universitario Dr. José Eleuterio Gonzalez, Monterrey, Mexico
Aikaterini T. Mastoraki, National and Kapodistrian University of Athens, Laikon Hospital, Greece
Aitor Landaluce-Olavarria, Alfredo Espinosa Urduliz Hospital, Spain
Ajay Kumar Pal, King George's Medical University, India
Akira Kuriyama, Kurashiki Central Hospital, Japan
Alain Chichom-Mefire, Faculty of Health Sciences, University of Buea, Cameroon
Alberto Porcu, Università degli Studi di Sassari, Italy
Aleix Martínez-Pérez, Department of General and Digestive Surgery, Hospital Universitario Doctor Peset, Valencia, Spain
Aleksandar R. Karamarkovic, Surgical Clinic "Nikola Spasic" - UCC Zvezdara Belgrade, Faculty of Medicine University of Belgrade, Serbia
Aleksei V. Osipov, Department of urgent surgery, Scientific research institute of emergency medicine, Saint-Petersburg, Russia
Alessandro Coppola, General Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Italy
Alessandro Cucchetti, Department of Medical and Surgical Sciences - DIMEC; University of Bologna, Italy
Alessandro Spolini, UOC Chirurgia Generale Sondrio ASST Valtellina-Alto Lario, Italy
Alessio Giordano, General Surgery unit, Nuovo Ospedale S. Stefano, Prato, Italy
Alexander Reinisch-Liese, Department of General, Viszeral and Oncologic Surgery, Klinikum Wetzlar,Teaching Hospital of JLU Giessen, Wetzlar, Germany
Alfie J. Kavalakat, Jubilee Mission Medical College & RI, Thrissur, India
Alin Vasilescu, Department of Surgery, St Spiridon University Hospital, “Grigore T Popa” University of Medicine and Pharmacy, Iasi, Romania
Amin Alamin, General surgery department, Ealing Hospital, London North West University Healthcare NHS Trust, United Kingdom
Amit Gupta, Department of Surgery, All India Institute of Medical Sciences Rishikesh, Rishikesh, India
Ana Maria Dascalu, Faculty of Medicine, Carol Davila University of Medicine and Pharmacy Bucharest, Romania
Ana-Maria Musina, University of Medicine and Pharmacy Grigore T. Popa Iasi/ Regional Institute of Oncology Iasi, Romania
Anargyros Bakopoulos, Department of Surgery, Attikon University Hospital, University of Athens, Athens, Greece
Andee Dzulkarnaen Zakaria, Department of Surgery, School of Medical Sciences & Hospital USM, Universiti Sains Malaysia, Malaysia
Andras Vereczkei, Department of Surgery, Medical Center, University of Pécs, Hungary
Andrea Balla, UOC of General and Minimally Invasive Surgery, Hospital “San Paolo”, Largo Donatori del Sangue 1, Civitavecchia, Rome, Italy
Andrea Bottari, Chirurgia dell'Apparato Digerente, Azienda Ospedaliero-Universitaria Careggi, Firenze, Italy
Andreas Baumann, Neurosurgical Department, Cologne Merheim Medical Center, Universitiy of Witten Herdecke, Germany
Andreas Fette, PS_SS, Weissach im Tal, Germany
Andrey Litvin, Immanuel Kant Baltic Federal University, Regional Clinical Hospital, Kaliningrad, Russia
Aniella Katharina Reichert, Department of Gynaecology and Obstetrics, University Hospital of Giessen, Giessen, Germany
Anna Guariniello, Emergency Surgery Ravenna Hospital, Italy
Anna Paspala, Evgenideio Hospital, Athens, Greece
Anne-Sophie Schneck, Centre Hospitalier Universitaire de la Guadeloupe, Guadeloupe
Antonio Brillantino, Emergency Surgery Department, "A. Cardarelli" hospital, via Cardarelli 9, 80131 Naples, Italy
Antonio Pesce, AUSL of Ferrara - University of Ferrara, Italy
Arda Isik, Istanbul medeniyet university, Turkey
Ari Kalevi Leppäniemi, Helsinki University Hospital and University of Helsinki, Finland
Aristeidis Papadopoulos, General Hospital of Nikaia, Greece
Aristotelis Kechagias, Department of General Surgery, Kanta-Häme Central Hospital, Finland
Ashraf yehya abdalla Mohamed, General Surgery Department, Buraimi Hospital, Buraimi, Oman
Ashrarur Rahman Mitul, Bangladesh Shishu Hospital & Institute, Bangladesh
Athanasios Marinis, Third Department of Surgery, Tzaneio General Hospital, Piraeus, Greece
Athanasios Syllaios, Laiko General Hospital, Greece
Baris Mantoglu, Sakarya Medical Faculty, Turkey
Belinda De Simone, Department of Emergency, digestive and metabolic minimally invasive surgery, Poissy and Saint Germain en Laye Hospitals, France
Benjamin Stefan Weiss, Department for Adult and Pediatric Cardiovascular Surgery, University Hospital of Giessen, Giessen, Germany
Bernd Pösentrup, Department of Pediatric Surgery and Pediatric Urology, Children´s Hospital, Klinikum Dortmund, Dortmund, Germany
Biagio Picardi, San Filippo Neri ASL Roma 1, Italy
Biagio Zampogna, Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University of Rome, Rome, Italy
Boris Eugeniev Sakakushev, Research Institute at Medical University of Plovdiv, Medical University of Plovdiv, Department of Surgical Propedeutics, Section of General Surgery, UMHAT St George Plovdiv, First Clinic of General Surgery, Bulgaria
Boyko Chavdarov Atanasov, Umhat Eurohospital, Medical university of Plovdiv, Bulgaria
Bruno Nardo, Annunziata Hospital, Unversity of Calabria, Italy
Bulent Calik, University of Healthy Sciences Izmir Bozyaka Education and Research Hospital, General Surgery Department, Turkey
Camilla Cremonini, Pisa university hospital, Italy
Carlos A. Ordoñez, Division of Trauma and Acute Care Surgery, Department of Surgery, Fundacion Valle del Lili, Cali, Colombia
Charalampos Seretis, General University Hospital of Patras, Greece
Chiara Cascone, Fondazione Policlinico Campus Bio-Medico di Roma, Italy
Christos Chouliaras, 1st Department of Surgery, General Hospital of Nikaia, Piraeus, Greece
Cino Bendinelli, John Hunter Hospital. Newcastle, NSW, Australia
Claudia Lopes, Hospital Universitario Donostia-Osakidetza, Spain
Claudio Guerci, Ospedale Luigi Sacco, Italy
Clemens Weber, Department of Neurosurgery, Stavanger University Hospital, Norway
Constantinos Nastos, Attikon University Hospital, Greece
Cristian Mesina, Emergency County Hospital of Craiova, Romania
Damiano Caputo, Department of Surgery University Campus Bio-Medico di Roma, Fondazione Policlinico Universitario Campus Bio-Medico, Italy
Damien Massalou, Acute care surgery, University Hospital of Nice, Centre Hospitalier Universitaire de Nice, Nice, France
Davide Cavaliere, Department of Surgery, Forlì Hospital - AUSL della Romagna, Italy
Deborah A McNamara, RCSI University of Medicine and Health Sciences, Ireland
Demetrios Demetriades, USC School of Medicine, Los Angeles, United States
Desirè Pantalone, Department of Experimental and Clinical Medicine University of Florence, University Hospital Careggi, Florence, Italy
Diego Coletta, AO Ospedali Riuniti Marche Nord, Department of General Surgery, Italy
Diego Sasia, General and Oncological Surgery Unit, Santa Croce and Carle Hospital, Cuneo, Italy
Diego Visconti, Chirurgia Generals d´Urgenza e PS, AOU Cittá della Salute e della Scienza, Turin, Italy
Dieter G. Weber, Department of General Surgery, Royal Perth Hospital & The University of Western Australia, Australia
Diletta Corallino, Department of General Surgery and Surgical Specialities „Paride Stefanini“, Sapienza, University of Rome, Italy
Dimitrios Chatzipetris, Department of Surgery, Metaxa Cancer Hospital, Piraeus, Greece
Dimitrios K. Manatakis, Department of Surgery, Athens Naval and Veterans Hospital, Athens, Greece
Dimitrios Ntourakis, School of Medicine, Division of Surgery, European University Cyprus, Greece
Dimitrios Papaconstantinou, Attikon University Hospital, 3rd Department of Surgery, Greece
Dimitrios Schizas, First Department of Surgery, National and Kapodistrian University of Athens, Athens, Greece
Dimosthenis Chrysikos, First Department of Propaedeutic Surgery, Hippocration Hospital, School of Medicine, University of Athens, Athens, Greece
Dmitry Mikhailovich Adamovich, Department of Surgical Diseases II, Gomel State Medical University, Gomel, Belarus
Doaa Elkafrawy, Kafersaad general hospital, Egypt
Dragos Seban, University of Medicine and Pharmacy, Carol Davila Bucharest & 4th Surgery Department of University Emergency Hospital Bucharest, Bucharest, Romania
Edgar Fernando Hernández García, Cirugía de trauma, Hospital Central Militar, Ciudad de México, Mexico
Edoardo Baldini, Ospedale Santa Maria delle Stelle, Melzo, Italy
Edoardo Picetti, Department of Anesthesia and Intensive Care, Parma University Hospital, Parma, Italy
Edward C.T.H. Tan, Radboud university medical center, Department of Surgery, Netherlands
Efstratia Baili, Guy's and St Thomas' NHS Foundation Trust, United Kingdom
Eftychios Lostoridis, Kavala General Hospital, Kavala, Greece
Elena Adelina Toma, Surgery Department, UMF Carol Davila Bucharest, Romania
Elif Colak, University of Samsun, Turkey
Elisabetta Cerutti, Department of Anesthesia and Transplant Surgical Intensive care, Ospedali Riuniti, Ancona, Italy
Elmin Steyn, Stellenbosch University and Tygerberg Hospital, South Africa
Elmuiz A. Hsabo, Manchester University NHS Foundation Trust, United Kingdom
Emmanouil Ioannis Kapetanakis, Department of Thoracic Surgery, “Attikon” University Hospital, National and Kapodistrian University of Athens, Athens, Greece
Emmanouil Kaouras, Department of Surgery, Metaxa Cancer Hospital, Piraeus, Greece
Emmanuel Schneck, Department of Anesthesiology, Operative Intensive Care Medicine and Pain Therapy, University Hospital of Giessen, Rudolf-Buchheim-Strasse 7, Giessen, Germany
Emrah Akin, Sakarya University Faculty of Medicine, Turkey
Emre Gonullu, General Surgery, Sakarya training and research hospital, Sakarya, Turkey
Enes çelik, Derik State Hospital, Turkey
Enrico Cicuttin, General, Emergency and Trauma Surgery, Pisa University Hospital, Pisa, Italy
Enrico Pinotti, Policlinico San Pietro, Italy
Erik Johnsson, Department of Surgery, Sahlgren University Hospital, Gothenburg, Sweden
Ernest E. Moore, Director of Research Ernest E Moore Shock Trauma Center at Denver Health, United States
Ervis Agastra, Regional Hospital of Korce, Albania
Evgeni Nikolaev Dimitrov, Department of Surgical Diseases, University Hospital "Prof. Dr. Stoyan Kirkovich" Stara Zagora, Bulgaria
Ewen A Griffiths, Department of Upper GI Surgery, Queen Elizabeth Hospital, Birmingham, United Kingdom
Fabrizio D'Acapito, Morgagni-Pierantoni Hospital, AUSL Romagna, Italy
Federica Saraceno, UOC of General and Minimally Invasive Surgery, Hospital „San Paolo“, Largo Donatori del Sangue 1, Civitavecchia, Rome, Italy
Felipe Alconchel, Virgen de la Arrixaca University Hospital (IMIB-Arrixaca), Spain
Felix Alexander Zeppernick, Department of Gynaecology and Obstetrics, University Hospital of Giessen, Giessen, Germany
Fernando Machado Rodríguez, Departamento de Emergencia, Hospital de Clínicas „Dr. Manuel Quintela“ - Facutad de Medicina de la UdelaR, Montevideo, Uruguay
Fikri Abu-Zidan, Department of Surgery, College of Medicine, UAE University, Al-Ain, United Arab Emirates
Francesca Pecchini, Division of General Surgery, Emergency and New Technologies, Ospedale Civile Baggiovara, AOU, Modena, Italy
Francesco Favi, UOC Chirurgia Generale e DÚrgenza Cesena Ausl della Romagna, Italy
Francesco Ferrara, Department of Surgery, San Carlo Borromeo Hospital, ASST Santi Paolo e Carlo, Milan, Italy
Francesco Fleres, Department of Human Pathology of the Adult and Evolutive Age “Gaetano Barresi”, Section of General and Emergency Surgery, University of Messina, Messina, Italy
Francesco Pata, Department of Surgery, Nicola Giannettasio Hospital, Corigliano-Rossano, Italy
Francesco Pietro Maria Roscio, ASST Valle Olona Busto Arsizio, Italy
Francesk Mulita, Department of Surgery, General University Hospital of Patras, Greece
Frank J. M. F. Dor, 1. Imperial College Renal and Transplant Centre, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, 2. Department of Surgery and Cancer, Imperial College, London, United Kingdom
Fredrik Linder, Department of Surgical Sciences, Emergency Surgery, Uppsala University, Uppsala, Sweden
Gabriel Dimofte, Institutul Regional de Oncologie Iasi, Universitatea de Medicina si Farmacie „Grigore T. Popa“ Iasi, Romania
Gabriel Rodrigues, General Surgery, Kasturba Medical College Hospital, Manipal Academy of Higher Education, Manipal, India
Gabriela Nita, Sant'Anna Hospital, AUSL Reggio Emilia, Italy
Gabriele Sganga, Emergency Surgery & Trauma, Fondazione Policlinico Universitario A. Gemelli IRCCS, Roma, Italy
Gennaro Martines, Azienda Ospedaliero Universitaria Policlinico Bari, Italy
Gennaro Mazzarella, Department of Emergency Surgery, Sapienza University of Rome, Rome, Italy
Gennaro Perrone, Department of emergency surgery, Parma Maggiore Hospital, Parma, Italy
George Velmahos, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
Georgios D. Lianos, Department of Surgery, University Hospital of Ioannina, Greece
Gia Tomadze, Surgery Department of Tbilisi State Medical University, Georgia
Gian Luca Baiocchi, UOC General Surgery, ASST Cremona; Department of Clinical and Experimental Sciences, University of Brescia, Italy
Giancarlo D'Ambrosio, Policlinico Umberto I, Univeristà La Sapienza, Roma, Italy
Gianluca Pellino, Department of Advanced Medical and Surgical Sciences, Università degli Studi della Campania Luigi Vanvitelli, Naples, Italy
Gianmaria Casoni Pattacini, Division of General Surgery, Emergency and New Technologies, Ospedale Civile Baggiovara, AOU, Modena, Italy
Giorgio Giraudo, Department of Surgery ASO Santa Croce e Carle Cuneo, Italy
Giorgio Lisi, Department of Surgery, Sant'Eugenio Hospital, piazzale dell'umanesimo 10, Rome, Italy
Giovanni Domenico Tebala, Oxford University Hospitals NHS Foundation Trust, United Kingdom
Giovanni Pirozzolo, Ospedale dell'Angelo - ULSS3 Serenissima – Venice, Italy
Giulia Montori, General surgery, Vittorio Veneto hospital (TV), Italy
Giulio Argenio, UOC Chirurgia Generale ed Oncologica, AO San Pio, Benevento, Italy
Giuseppe Brisinda, Department of Surgery, Fondazione Policlinico Universitario A Gemelli IRCCS and Università Cattolica S. Cuore, Rome, Italy
Giuseppe Currò, AOU Mater Domini Catanzaro - Magna Graecia University of Catanzaro, Italy
Giuseppe Giuliani, Department of general and emergency surgery, Misericordia Hospital, Grosseto, Italy
Giuseppe Palomba, Università degli Studi di Napoli Federico II, Italy
Giuseppe Roscitano, University of Catania, Italy
Gökhan Avşar, Ankara university faculty of medicine department of surgical oncology, Turkey
Goran Augustin, University Hospital Centre Zagreb, Croatia
Guglielmo Clarizia, UOC Chirurgia Generale, PO Sondrio, ASST Valtellina e Alto Lario, Italy
Gustavo M. Machain Vega, University of Asuncion, Faculty of Medical Sciences, II Chair and Service of General Surgery Hospital de Clinicas FCM, Paraguay
Gustavo P. Fraga, Division of Trauma Surgery, University of Campinas (Unicamp), Brazil
Harsheet Sethi, Acute Surgical Unit, Princess Alexandra Hospital, Brisbane, QLD, Australia
Hazim Abdulnassir Eltyeb, General Surgery, Health Education North East, United Kingdom
Helmut A. Segovia Lohse, II Cátedra de Clínica Quirúrgica. Hospital de Clínicas. Universidad Nacional de Asunción. San Lorenzo, Paraguay
Herald René Segovia Lohse, II Cátedra de Clínica Quirúrgica, Hospital de Clínicas, Universidad Nacional de Asunción, San Lorenzo, Paraguay
Hüseyin Bayhan, Mardin Training and Research Hospital, Turkey
Hytham K. S. Hamid, Kuwaiti Specialized Hospital, Sudan
Igor A. Kryvoruchko, Kharkiv National Medical University, Ukraine
Immacolata Iannone, Azienda Ospedaliera Policlinico Umberto I, Roma, Italy
Imtiaz Wani, Govt Gousia Hospital, Srinagar, India
Ioannis I. Lazaridis, Clarunis, Department of Visceral Surgery, University Centre for Gastrointestinal and Liver Diseases, St. Clara Hospital and University Hospital Basel, Basel, Switzerland
Ioannis Katsaros, Department of Surgery, Metaxa Cancer Hospital, Pireaus, Greece
Ioannis Nikolopoulos, Lewisham & Greenwich NHS Trust, United Kingdom
Ionut Negoi, Carol Davila University of Medicine and Pharmacy Bucharest, Emergency Hospital of Bucharest, Romania
Isabella Reccia, Department of Surgery and Cancer, Hammersmith Hospital, Imerpial College Healthcare NHS Trust, London, United Kingdom
Isidoro Di Carlo, University of Catania, Italy
Iyiade Olatunde Olaoye, Surgery Department, University of Ilorin Teaching Hospital, Ilorin, Nigeria
Jacek Czepiel, Department of Infectious and Tropical Diseases, Jagiellonian University Medical College, Krakow, Poland
Jae Il Kim, Department of Surgery, Inje University Ilsan Paik Hospital, Goyang, South Korea
Jeremy Meyer, University Hospitals of Geneva, Geneva, Switzerland
Jesus Manuel Saenz Terrazas, Senior Surgeon for the International Committee of the Red Cross, Nigeria
Joel Noutakdie Tochie, Anaesthesiologist and Intensive Care Physician, Laquintinie Hospital of Douala, Douala, Cameroon
Joseph M. Galante, University of California, Davis, United States
Justin Davies, Cambridge University Hospitals NHS Foundation Trust, United Kingdom
Kapil Sugand, Imperial College London, United Kingdom
Kebebe Bekele Gonfa, Maddawalabu University Goba Referral Hospital, Ethiopia
Kemal Rasa, Anadolu Medical Center Hospital affiliated with Johns Hopkins Hospital, Kocaeli, Turkey
Kenneth Y. Y. Kok, Pengiran Anak Puteri Rashidah Saadatul Bolkiah Institue of Health Sciences, Universiti Brunei darussalam, Brunei
Konstantinos G. Apostolou, 1st Department of Surgery, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
Konstantinos Lasithiotakis, Department of Surgery, University Hospital of Heraklion, Crete, Greece
Konstantinos Tsekouras, Sismanogleio General Hospital, Athens, Greece
Kumar Angamuthu, Department of Clinical Microbiology, Infection Prevention & Control, Almana General Hospital, Dammam, Saudi Arabia
Lali Akhmeteli, Tbilisi State Medical University, Georgia
Larysa Sydorchuk, Bukovinian State Medical University, Ukraine
Laura Fortuna, General Surgery, Azienda Ospedaliero-Universitaria Careggi (AOUC), Largo Giovanni Alessandro Brambilla, Firenze (FI), Italy
Leandro Siragusa, Department of Surgery, Università degli studi di Roma Tor Vergata, Italy
Leonardo Pagani, Antimicrobial Stewardship Program, Infectious Diseases Branch, Bolzano Central Hospital, Italy
Leonardo Solaini, Department of Medical and Surgical Sciences, University of Bologna, Morgagni Pierantoni Hospital, Forlì, Italy
Lisa A. Miller, Western Michigan University Homer Stryker, MD School of Medicine, United States
Lovenish Bains, Maulana Azad Medical College, New Delhi, India
Luca Ansaloni, San Matteo Hospital, Pavia, Italy
Luca Ferrario, General Surgery Trauma Team ASST-GOM Niguarda, Milan, Italy
Luigi Bonavina, Department of Biomedical Sciences for Health, IRCCS Policlinico San Donato, Division of General and Foregut Surgery, University of Milan, Italy
Luigi Conti, Acute care Surgery Unit , Department of Surgery, AUSL Piacenza, Italy
Luis Antonio Buonomo, Hospital Zonal de Agudos "Dr. Alberto Balestrini", Argentina
Luis Tallon-Aguilar, Virgen del Rocío University Hospital, Spain
Lukas Tomczyk, Department of general and visceral surgery, General Hospital Lich, Germany
Lukas Werner Widmer, Department of Visceral Surgery and Medicine, University Hospital of Bern, Bern, Switzerland
Maciej Walędziak, Military Institute of Medicine, Department of General Surgery, Poland
Mahir Gachabayov, Vladimir City Emergency Hospital, Russia
Maloni Bulanauca, Department of Surgery, Labasa Hospital, Fiji
Manu L.N.G. Malbrain, Intensive Care Medicine, International Fluid Academy, Lovenjoel, Belgium and First Department of Anaesthesiology and Intensive Therapy, Medical University of Lubin, Poland
Marc Maegele, Department for Trauma and Orthopedic Surgery, Cologne-Merheim Medical Center (CMMC), Institute for Research in Operative Medicine (IFOM), University Witten-Herdecke (UW/H), Campus Cologne-Merheim, Ostmerheimerstr. 200, Cologne, Germany
Marco Catarci, Ospedale Sandro Pertini, Roma, Italy
Marco Ceresoli, University of Milano-Bicocca, Italy
Maria Chiara Ranucci, Azienda ospedaliera Santa Maria di Terni, Italy
Maria Ioanna Antonopoulou, Naval and Veteran Hospital of Crete, Greece
Maria Papadoliopoulou, General University Hospital Attikon, Athens, Greece
Maria Rosaria Valenti, Policlinico di Catania, Italy
Maria Sotiropoulou, Evaggelismos General Hospital, Greece
Mario D'Oria, Division of Vascular and Endovascular Surgery, Cardiovascular Department, University Hospital of Trieste ASUGI, Italy
Mario Serradilla Martín, Instituto de Investigación Sanitaria Aragón, Department of Surgery, Miguel Servet University Hospital, Zaragoza, Spain
Markus Hirschburger, Department of General, Visceral and Thoracic Surgery, Hospital of Worms, Worms, Germany
Massimiliano Veroux, General Surgery, University Hospital of Catania, Department of Medical and Surgical Sciences and Advanced Technologies, University of Catania, Italy
Massimo Fantoni, Fondazione Policlinico Gemelli IRCCS - UNiversità Cattolica S. Cuore, Italy
Matteo Nardi, San Camillo Forlanini Hospital, Italy
Matti Tolonen, HUS Abdominal Center, Helsinki University Hospital and University of Helsinki, Finland
Mauro Montuori, Policlinico San Pietro - Department of Surgery - Via Carlo Forlanini 15 Ponte San Pietro, Italy
Mauro Podda, Department of Surgical Science, University of Cagliari, Cagliari, Italy
Maximilian Scheiterle, SOD Chirurgia d'Urgenza, Careggi, Italy
Maximos Frountzas, First Propaedeutic Department of Surgery, National and Kapodistrian University of Athens, Medical School, Hippocration General Hospital of Athens, Greece
Mehmet Sarıkaya, Mardin, Turkey
Mehmet Yildirim, University of Health Sciences İzmir Bozyaka Training and Research Hospital General Surgery Department, Turkey
Michael Bender, Department of Neurosurgery, University Hospital of Giessen, Germany
Michail Vailas, Laiko General hospital Athens, Greece
Michel Teuben, Cantonal Hospital Frauenfeld, Switzerland
Michela Campanelli, Emergency Surgery Unit, University Hospital of Tor Vergata, viale Oxford 81, Rome, Italy
Michele Ammendola, Health of Science Department, "Magna Graecia" University Medical School, Digestive Surgery Unit, "Mater Domini" Hospital, Catanzaro, Italy
Michele Malerba, Surgical Department ASL2 Savonese, Santa Corona Hospital, Pietra Ligure (SV), Italy
Michele Pisano, ASST Papa Giovanni Bergamo, Italy
Mihaela Pertea, Sf Spiridon Emegency Hospital Iasi, University of Medicine and Pharmacy "Grigore T Popa"Iasi, Romania
Mihail Slavchev, University Hospital Eurohospital, Plovdiv, Bulgaria
Mika Ukkonen, Tampere University Hospital, Finland
Miklosh Bala, Department of General Surgery, Hadassah Medical Center and Faculty of Medicine, Hebrew University of Jerusalem, Israel
Mircea Chirica, Service de chirurgie digestive, Centre hospitalier universitaire Grenoble Alpes, France
Mirko Barone, Department of Surgery, SS. Annunziata University Hospital of Chieti, Italy
Mohamed Maher Shaat, King Faisal Medical Complex in Taif, Saudi Arabia
Mohammed Jibreel Suliman Mohammed, Wirral University Teaching Hospital, United Kingdom
Mona Awad Akasha Abuelgasim, Kingston Hospital NHS foundation trust, United Kingdom
Monika Gureh, General surgery, AIIMS Bhuvneshwar, Bhuvneshwar, India
Mouaqit Ouadii, Hassan II hospital, Morocco
Mujdat Balkan, General Surgery, TOBB ETÜ Medical school, Ankara, Turkey
Mumin Mohamed, Queen Elizabeth Hospital Birmingham, United Kingdom
Musluh Hakseven, Ankara University School of Medicine Department of General Surgery, Surgical Oncology, Turkey
Natalia Velenciuc, University of Medicine and Pharmacy Grigore T. Popa Iasi/ Regional Institute of Oncology Iasi, Romania
Nicola Cillara, Chirurgia Generale PO Santissima Trinità Cagliari, Italy
Nicola de'Angelis, Henri Mondor University Hospital (AP-HP), Faculty of Medicine, University of Paris Est, UPEC, France
Nicolò Tamini, ASST MONZA - Ospedale San Gerardo, Italy
Nikolaos J. Zavras, Department of Pediatric Surgery-General University Hospital "ATTIKON", Greece
Nikolaos Machairas, General Hospital of Athens “Laiko”, Greece
Nikolaos Michalopoulos, General University Hospital Attikon, Athens, Greece
Nikolaos N. Koliakos, Univerisity Hospital Attikon, Athens, Greece
Nikolaos Pararas, Dr Sulaiman Al Habib Hospital, Saudi Arabia
Noel E. Donlon, Trinity college Dublin st James hospital, Ireland
Noushif Medappil, Aster Malabar Institute of Medical Sciences (Aster MIMS - Calicut), India
Offir Ben-Ishay, Surgical Oncology, Division of Surgery, Rambam Health Care Campus, Haifa, Israel
Stefano Olmi, General and Oncological Surgery Department, Senior Research Vita-Salute, San Raffaele University, Milan, San Marco Hospital GSD, Zingonia (BG), Italy
Omar Islam, Wirral university teaching hospital, United Kingdom
Ömer Tammo, Mardin training and research hospital, Turkey
Orestis Ioannidis, 4th Department of Surgery, Medical School, Aristotle University of Thessaloniki, General Hospital “George Papanikolaou”, Thessaloniki, Greece
Oscar Aparicio, Parc Tauli Hospital Universitari Sabadell, Spain
Oussama Baraket, Deprtement of surghery bizerte hospital, Faculty of medicine of Tunis, Tunisia
Pankaj Kumar, Department of General Surgery, Bhubaneswar, Odisha, India
Pasquale Cianci, Lorenzo Bonomo Hospital Andria-ASL BAT-University of Foggia, Italy
Per Örtenwall, Department of surgery, Sahlgrenska University Hospital, Gothenburg, Sweden
Petar Angelov Uchikov, Medical university of Plovdiv, Department of special surgery, Medical faculty, University hospital “St. George”, Plovdiv, Bulgaria
Philip de Reuver, Department of Surgery, Radboudumc, Nijmegen, Netherlands
Philip F. Stahel, Rocky Vista University College of Osteopathic Medicine, United States
Philip S. Barie, Department of Surgery, Weill Cornell Medicine, New York, NY, United States
Micaela Piccoli, Division of General Surgery, Emergency and New Technologies, Ospedale Civile Baggiovara, AOU, Modena, Italy
Piotr Major, Jagiellonian University Medical College, Poland
Pradeep H. Navsaria, Trauma Centre, Groote Schuur Hospital and University of Cape Town, South Africa
Prakash Kumar Sasmal, All India Institute of Medical Sciences, Bhubaneswar, India
Raul Coimbra, Riverside University Health System MEdical Center / Loma Linda University, United States
Razrim Rahim, Universiti Sains Islam Malaysia, Malaysia
Recayi Çapoğlu, General Surgery, Sakarya training and research hospital, Sakarya, Turkey
Renol M. Koshy, Luton & Dunstable University Hospital, United Kingdom
Ricardo Alessandro Teixeira Gonsaga, Centro Universitário Padre Albino, Catanduva (SP), Brazil
Riccardo Pertile, Department of Clinical and Evaluative Epidemiology, Health Service of Trento, Italy
Rifat Ramadan Mussa Mohamed, University Hospital Ayr, United Kingdom
Rıza Deryol, Department of General Surgery, Surgical Oncology Unit, Ankara University, School of Medicine, Ankara, Turkey
Robert G. Sawyer, Western Michigan University School of Medicine, United States
Roberta Angelico, HPB and Transplant Unit, University of Rome Tor Vergata, Italy
Roberta Ragozzino, General surgery and Trauma Team, ASST Niguarda, Milano, Piazza Ospedale Maggiore 3, Milan, Italy
Roberto Bini, ASST Niguarda Hospital, Italy
Roberto Cammarata, Campus Biomedico University of Rome, Italy
Rosa Scaramuzzo, General Surgery Unit, San Paolo Hospital, Rome, Italy
Rossella Gioco, General Surgery, Policlinico G. Rodolico Catania, Italy
Ruslan Sydorchuk, General Surgery Department, Regional Emergency Hospital Chernivtsi, Ukraine
Salma Ahmed, Wirral University Teaching Hospital, United Kingdom
Salomone Di Saverio, Ospedale Madonna del Soccorso San benedetto del Tronto, Italy
Sameh Hany Emile, Mansoura University Hospital, Egypt
Samir Delibegovic, Department of Surgery, University Clinical Center Tuzla, Tuzla, Bosnia and Herzegovina
Sanjay Marwah, Pt BDS Postgraduate Institute of Medical Sciences, Rohtak, Haryana, India
Savvas Symeonidis, General Hospital of Thessaloniki Georgios Papanikolaou, Greece
Scott G. Thomas, Trauma Services, Indiana University School of Medicine, Beacon Health System, Memorial Hospital South Bend, Indiana, United States
Sebahattin Demir, Turkey
Selmy S. Awad, Mansoura university hospitals, Mansoura University, Egypt
Semra Demirli Atici, University of Health Sciences Tepecik Training and Research Hospital, Turkey
Serge Chooklin, Lviv National Medical University, Ukraine
Serhat Meric, General surgery department, Bağcılar training and research hospital, Istanbul, Turkey
Sevcan Sarıkaya, Mardin Training and Research Hospital, Mardin, Turkey
Sharfuddin Chowdhury, King Saud Medical City, Riyadh, Saudi Arabia
Shaza Faycal Mirghani, Sandwell General Hospital, United Kingdom
Sherry M. Wren, Stanford University, United States
Simone Gargarella, University “G.D’Annunzio” Chieti – Pescara, Italy
Simone Rossi Del Monte, ASL Roma 1 - Ospedale San Filippo Neri, Italy
Sofia Esposito, General, emergency and new technology surgery Unit, Baggiovara General Hospital, Modena, Italy
Sofia Xenaki, Department of General Surgery, University Hospital of Heraklion Crete, Greece
Soliman Fayez Ghedan Mohamed, KFMC, Saudi Arabia
Solomon Gurmu Beka, Emergency Surgery, Professional Specialist at Ethiopian Air Force Hospital, President of Ethiopian Emergency Surgery Association, Bishoftu, Oromia, Ethiopia
Sorinel Lunca, University of Medecine "Gr.T.Popa" Iasi Second Oncology Surgery Clinic Regional Institute of Oncology Iasi, Romania
Spiros G. Delis, University of Athens, Greece
Spyridon Dritsas, Colorectal and Peritoneal Oncology Centre, The Christie NHS Foundation Trust, Manchester, United Kingdom
Stefan Morarasu, 2nd Department of Surgical Oncology, Regional Institute of Oncology, Iasi, Romania
Stefano Magnone, ASST Papa Giovanni XXIII Bergamo, Italy
Stefano Rossi, Emergency surgery San Filippo Neri hospital ASL Roma1, Italy
Stefanos Bitsianis, 4th Department of Surgery of Aristotle University of Thessaloniki, Greece
Stylianos Kykalos, 2nd Department of Propaedeutic Surgery, General Hospital Laiko, National and Kapodistrian University of Athens, Greece
Suman Baral, Dirghayu Pokhara Hospital, Pokhara, Nepal
Sumita A Jain, SMS MEedical College and Hospital Jaipur, India
Syed Muhammad Ali, Hamad Medical Corporation, Qatar
Tadeja Pintar, Surgery Department, UMC Ljubljana, Ljubljana, Sloviena
Tania Triantafyllou, Advanced Upper GI Surgical Fellow, Athens, Greece
Tarik Delko, University Center for Gastrointestinal and Liver Diseases, Basel, Switzerland
Teresa Perra, Università degli Studi di Sassari, Italy
Theodoros A. Sidiropoulos, Surgical Resident, 4th Surgical Department, Attikon University Hospital, Athens, Greece
Thomas M. Scalea, R Adams Cowley Shock Trauma Center, University of Maryland School of Medicine, United States
Tim Oliver Vilz, Department of Surgery, University Hospital Bonn, Venusberg Campus 1, Bonn, Germany
Timothy Craig Hardcastle, IALCH, Durban and University of KwaZulu-Natal, South Africa
Tongporn Wannatoop, Department of Surgery, Faculty of Medicine Siriraj hospital, Mahidol university, Bankok, Thailand
Torsten Herzog, Department of Surgery, St. Josef Hospital, Ruhr University Bochum, Germany
Tushar Subhadarshan Mishra, Department of Surgery, All India Institute of Medical Sciences, Bhubaneswar, Odisha, India
Ugo Boggi, Division of General and Transplant Surgery, University of Pisa, Italy
Valentin Calu, Elias Emergency University Hospital, Romania
Valentina Tomajer, Ospedale San Raffaele Milan, Italy
Vanni Agnoletti, Azienda USL della Romagna – Cesena, Italy
Varut Lohsiriwat, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
Victor Kong, Department of Surgery, University of KwaZulu Natal, Durban, South Africa
Virginia Durán Muñoz-Cruzado, Virgen del Rocío University Hospital, Spain
Vishal G. Shelat, Department of General Surgery, Tan Tock Seng Hospital, Singapore
Vladimir Khokha, Department of surgery, Mozyr city hospital, Belarus
Wagih Mommtaz Ghannam, Mansoura Faculty of Medicine, Egypt
Walter L. Biffl, Scripps Clinic Medical Group, United States
Wietse Zuidema, Amsterdam University Medical Center, Amsterdam, Netherlands
Yasin Kara, Health Sciences University Kanuni Sultan Süleyman Training and Research Hospital General Surgery Clinic, Turkey
Yoshiro Kobe, Chiba Emergency Medical Center, Japan
Zaza Demetrashvili, Surgery Department, Tbilisi State Medical University, Georgia
Ziad A. Memish, Research and Innovation Center, King Saud Medical City, Ministry of Health & College of Medicine Alfaisal University, Saudi Arabia
Zoilo Madrazo, Bellvitge University Hospital, Barcelona, Spain
Zsolt J. Balogh, Department of Traumatology, John Hunter Hospital and University of Newcastle, Australia
Zulfu Bayhan, Sakarya University, Faculty of Medicine Department of General Surgery, Turkey
Martin Reichert, Massimo Sartelli, Markus A. Weigand, Matthias Hecker, Ingolf H. Askevold, Juliane Liese, Winfried Padberg and Andreas Hecker: core investigator.
Federico Coccolini and Fausto Catena: WSES project steering committee representative.
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