Institute

Marmara University School of Medicine

Izmir Katip Celebi University

Hospital Municipal Vila Santa Catarina

Hospital Francesco Ferrari

Euroclinic Athens

Konstantopoulio General Hospital

Siberian State Medical University

University Hospital of Larissa

Santa Rita Clinic

Monastir University Hospital

Bagcilar Training and Research hospital

Hospital Santa Maria delle Croci

Clinica Universitaria Colombia

Auckland City Hospital

Laikon General Hospital

University Hospital Alexandrovska

University Hospital of Padova

St Thomas Teaching Hospital, Guys and St Thomas NHS

Hospital Universitario y Politecnico La Fe

Dr. Dokuz Eylül Üniversitesi Tıp Fakültesi, Izmir, Turkey

Memorial Hospital, Istanbul

UMHAT Eurohospital, Plovdiv

Fundació Hospital de l’Esperit Sant

Hospital Clínico Universitario, Valladolid

Leicester Royal Infirmary, University Hospitals of Leicester 

Gadarif Teaching Hospital, Gadarif City, Sudan

Maciel Hospital, Montevideo

Regional Institute of Oncology, Lasi

Akademiska Sjukhuset, Uppsala

Morgagni-Pierantoni Hospital, Forli

Lamia General Hospital, Department of Surgery, Lamia

Médica Uruguaya, Montevideo, Uruguay 

Royal Prince Alfred Hospital, Department of Colorectal Surgery, Sydney

Aminu Kano Teaching Hospital, Kano, Nigeria

Gastrointestinal Surgery Unit, Istanbul University

UZ KU Leuven

AORN San Pio, UOC Chirurgia Generale ed Oncologica, Benevito

Ankara Bilkent City Hospital of Health Science University, 

La Rabta University Hospital, Department of Surgery A, Tunis

Erasmus MC

Radboudumc

Istanbul Kanuni Sultan Suleyman Training and Research Hospital

General University Hospital of Patras, Achaia, Greece

General Hospital of Eastern Achaia, Achaia, Greece

University Hospital Gregorio Marañón, Colorectal Surgery Unit, Madrid

Gazi University School of Medicine, Ankara, Turkey

Hospital Clínico San Carlos, Madrid, Spain

School of Medical Sciences & Hospital Universiti Sains Malaysia

Hospital Universitario Severo Ochoa, Leganés, Madrid, Spain

Surgut District Clinical Hospital, Surgut, Russia

Meander Medisch Centrum

University of Health Sciences, Sultan 2. Abdulhamid Han T&R Hospital

Federal Medical Centre, Department of Surgery, Umuahia

University Hospital Ostrava, Department of Surgery, Ostrava

University Hospitals Geneva

Ystad Hospital, Department of Surgery, Ystand

National Cancer Institute, Vilnius, Lithuania

IRCCS Azienda Ospedaliero-Universitaria di Bologna

Somogy County Moritz Kaposi Teaching Hospital, Kaposvár

Aretaieion Hospital, National and Kapodistrian University of Athens

1st Surgical Clinic, University of Medicine and Pharmacy of Craiova

Hospital of Lithuanian University of Health Sciences, Kaunas

Borgo Trento Hospital, Verona

Skövde Hospital

British Hospital of Buenos Aires

Republican Treatment and Diagnostic Center, Baku

Umraniye Research and Training Hospital, Istanbul

University of Texas MD Anderson Cancer Center

University Hospital 12 de Octubre

Vrinnevi Hospital, Linköping University

Örnsköldsvik hospital

Skåne university hospital, Malmö

Ibrahim Said hospital on the island Aslanj

Azienda USL of Piacenza, 29121 Piacenza

Life St. Georges Hospital, Port Elizabeth

Haaglanden Medisch Centrum

NKI AVL

Hospital Aleman

Madonna del Soccorso, San Benedetto del Tronto

National Hospital of Sri Lanka, Colombo

Canberra hospital

Hospital Espírito Santo de Évora

General Anticancer and Oncology Hospital of Athens Saint Savvas

George Papanikolaou General Hospital of Thessaloniki

Maurizio Bufalini Hospital

Petrovsky National Research Center of Surgery

IRCCS Policlinico San Donato

Birat Cancer Institute, Birat Medical College Teaching Hospital

Ziekenhuis Gelderse Vallei

Medisch Centrum Leeuwarden

Zuyderland Medisch Centrum

La Rabta Hospital, Department of Surgery B

IRCCS Ospedale Galeazzi - Sant'Amrogio, University of Milan

Scunthorpe General Hospital

UZ Brussel

Naval and Veterans Hospital of Athens

Nij Smellinghe

Bernardino Ramazzini Hospital, Carpi

Ersta Hospital, Stockholm

CWZ

Bursa City Hospital

Achillopouleion General Hospital of Volos

Groote Schuur Hospital

Amphia Ziekenhuis

Hippocration General Hospital

University Hospital of Heraklion

Örebro University Hospital

Hospital Universiatrio Dr. Peset, Valencia

Hudiksvalls Sjukhus

Barmherzige Brüder Krankenhaus Graz

Umeå University Hospital, Umeå

Skellefteå Hospital, Skellefteå

IRCCS Policlinico San Martino, Genoa

Sfanta Maria Clinical Hospital, Bucharest

Kutahya Health Sciences University

Mansoura Oncology Center

Slingeland Ziekenhuis

Isala

Istanbul Atlas University

Mansoura University, Gastrointestinal Surgery Center

UZ Gent

Hospital CUF Tejo, Lissabon

Hospital Virgen de los Lirios

Royal North Shore Hospital, Sydney

Acibadem Kent Hospital

Mater Misericordiae University Hospital​

Cancer institute Hospital, Tokyo

Liverpool University Hospitals

Hospital Universitari Germans Trias i Pujol

Instituto Português de Oncologia do Porto

Reinier de Graaf Groep

UOC Chirurgia Generale e d’Urgenza, Ospedale Infermi, Rimini

Shaukat Khanum Memorial Cancer Hospital and Research Centre

ETZ

Dow University Hospital

Hospital Surgery Clinic of Samara State Medical University

St. James's Hospital

Hospital Central Universitario Antonio Maria Pineda

The Prince Charles Hospital, Chermside

Central Hospital Växjö, Sweden

Ryhov County Hopital, Jönköping

IRCCS Saverio De Bellis, Castellana Grotte

Hospital Moinhos de Vento, Porto Alegre

Västmanland's Hospital Västerås and Centre for Clinical Research

San Raffaele Hospital, Milan

Forth Valley Royal Hospital, Scotland

Tor Vergata University Hospital, Rome

Doruk Nilufer Hospital

Centro Hospitalar Universitário Cova da Beira

Izmir State Hospital

Metaxa Cancer Hospital, Piraeus

ASST Valle Olona, Gallarate

Hospital Universitario Infanta Leonor

Local Health Unit of the Litoral Alentejano EPE

Sengkang General Hospital

Royal London Hospital

Deventer Ziekenhuis

Zubaida Medical Center, Karachi

Clinical Emergency Hospital of Bucharest

St. Mary Hospital, Bucharest

Hospital Vélez Sarsfield

Rijnstate

Hospital de Santo Espirito da Ilha Terceira

Luigi Sacco University Hospital, Milan

Máxima Medisch Centrum

Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome

Hospital Alemão Oswaldo Cruz, Sao Paulo

Maastricht UMC

Hospital Saint-Antoine, Sorbonne universite

Östersund County Hospital

Queen Elizabeth Hospital Birmingham

LUMC

Federico II University Hospital

Samsun University, Department of General Surgery, Samsun

Elias Emergency University Hospital, Bucharest

Gelre ziekenhuizen

Atatürk University Research Hospital

Catharina Ziekenhuis Eindhoven

Heartlands Hospital

Campbelltown Hospital

Franciscus Gasthuis

ZaansMC