Anastasios Koulaouzidis, FACG, FASGE, FEBG, FRCP (Hon), MD, Associate Specialist, (E-mail: akoulaouzidis@hotmail.com) Endoscopy Unit, The Royal Infirmary of Edinburgh, Edinburgh EH16 4SA, United Kingdom

Sang Chul Lee, MD, PhD, Chief Doctor, Doctor, Full Professor, Surgeon, Surgical Oncologist, (E-mail: zambo9@catholic.ac.kr) Division of Colorectal Surgery, Department of General Surgery, Daejeon St. Mary's Hospital, Catholic University of Korea, Daejeon 34943, South Korea

兵 胡, MD, Professor, (E-mail: hubingnj@163.com) Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China

Praveer Rai, MBBS, MD, Professor, Department of Gastroenterology, Sanjay Gandhi Postgrad Inst Med Sci, Lucknow 226014, India

Ferdinando Agresta, MD, Chief Doctor, Doctor, Department of General Surgery, ULSS19 del Veneto, Adria (RO) 45011, Italy

Andreia Albuquerque, MD, Doctor, Research Scientist, Faculty of Medicine of the University of Porto, Faculty of Medicine of the University of Porto, Porto 4000-319, Portugal

Ahmed Altonbary, MD, Lecturer, Faculty of Medicine, Department of Gastroenterology and Hepatology, Mansoura University, Mansoura 35516, Egypt

Ziya Anadol, MD, Professor, Surgeon, Department of Surgery, Gazi University School of Medicine, Ankara 06490, Turkey

Paolo Giorgio Arcidiacono, FASGE, MD, Adjunct Professor, Director, Doctor, Pancreato-Biliary Endoscopy and Endosonography Division, Pancreas Translational & Clinical Research Center, IRCCS San Raffaele Scientific Institute, Milan 20132, Italy

José Celso Ardengh, FASGE, MD, MSc, PhD, Associate Professor, Division of Surgery and Anatomy, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 04524-001, São Paulo, Brazil

Corrado R Asteria, MD, Chief Doctor, Surgeon, Department of Surgery and Orthopaedics, Azienda Ospedaliera Carlo Poma Mantua, Mantua 46100, Italy

Erman Aytac, MD, Academic Research, Associate Professor, Department of Surgery, Acibadem University School of Medicine, Istanbul , Turkey

Maximilien Barret, MD, PhD, Assistant Professor, Department of Gastroenterology, René Descartes Paris V Medical University, Paris 75014, France

Cemil Bilir, MD, Associate Professor, Medical Oncology and Internal Medicine, Sakarya University, Sakarya 54197, Turkey

Federica Cavalcoli, MD, Doctor, Research Fellow, Diagnostic Endoscopy and Endoscopic surgery, Fondazione IRCCS Istituto Nazionale dei Tumori, Milano 20133, Italy

Kin Wai Edwin Chan, FRCS (Ed), Doctor, Surgeon, Division of Paediatric Surgery and Paediatric Urology, Department of Surgery, Prince Wales Hospital, the Chinese University of Hong Kong, Hong Kong , China

Saurabh Chawla, FACG, MD, Associate Professor, Doctor, Digestive Diseases, Grady Memorial Hospital, Atlanta, GA 30322, United States

Jun-Qiang Chen, MD, PhD, Professor, Surgeon, Department of Gastrointestinal Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, Guangxi Zhuang Autonomous Region, China

Chien-Huan Chen, MD, PhD, Professor, Division of Gastroenterology, Department of Medicine, School of Medicine, Washington University, St. Louis, MO 63110, United States

幼祥 陈, MD, Professor, Department of Gastroenterology, The First Affiliated Hospital of Nanchang University, Nanchang 330006, Jiangxi Province, China

Wai-Keung Chow, MD, Associate Professor, Attending Doctor, Department of Internal Medicine, Taichung Tsu Chi Hospital, Taichung 40705, Taiwan

László Czakó, DSc, MD, MSc, PhD, Full Professor, First Department of Medicine, University of Szeged, Szeged 6720, Hungary

Giovanni Dapri, MD, PhD, Professor, Department of Gastrointestinal Surgery, European School of Laparoscopic Surgery, Saint-Pierre University Hospital, Brussels 1000, Belgium

Diogo Turiani Hourneaux de Moura, MD, MSc, PhD, Assistant Professor, Postdoc, Professor, Division of Gastroenterology, Hepatology and Endoscopy, Brigham and Women’s Hospital - Harvard Medical School, Boston, MA 02115, United States

Luiz Gustavo De Quadros, MD, Chief Doctor, Professor, Research Scientist, Endoscopy, Kaiser Day Hospital and Beneficencia Portuguesa, Sao Jose do Rio Preto 15015110, Sao Paulo, Brazil

Paolo Declich, MD, Chief Doctor, Department of Pathology, Sondrio General Hospital, ASST-Valtellina e Alto Lario, Sondrio 23100, Italy

Kemal Deniz, MD, MSc, Professor, Department of Pathology, Medical School, Erciyes University, Kayseri 38039, Talas, Turkey

Harpal Singh Dhaliwal, MD, Assistant Professor, Department of Gastroenterology, Christian Medical College & Hospital, Ludhiana 141012, Punjab, India

Song-Ze Ding, MD, PhD, Professor, Department of Gastroenterology and Hepatology, Henan Provincial People’s Hospital, Zhengzhou University, Zhengzhou 450003, Henan Province, China

Kamal El-Deen Abdel Rahman El-Atrebi, MD, MRCP, MSc, Assistant Professor, Department of General Medicine, Gastroenterology and Hepatology, National Hepatology and Tropical Medicine Research Institute, Cairo 11351, Egypt

Mohamed Hassan Emara, BM BCh, MD, MSc, Assistant Professor, Hepatology, Gastroenterology and Infectious Diseases, Kafrelsheikh University, Kafrelsheikh 33723, Kafrelsheikh, Egypt

Eberval Gadelha Figueiredo, MD, PhD, Associate Professor, Department of Neurology, University of São Paulo Medical School (FMUSP), , Brazil

Enrico Fiori, MD, Professor, Surgeon, Departement of Surgery Pietro Valdoni, University of Rome "Sapienza", Rome 00191, Italy

Luciano Fogli, MD, Surgeon, Chirurgia B, Ospedale Maggiore C.A. Pizzardi, Bologna 40132, Italy

David Friedel, MD, Associate Professor, N/A, Gastroenterology, NYU Winthrop Hospital, Mineola, NY 11501, United States

Yoshihiro Furuichi, MD, PhD, Associate Professor, Department of Gastroenterology and Hepatology, Tokyo Medical University Hospital, Tokyo 160-0023, Japan

Giuseppe Galloro, MD, Associate Professor, Department of Clinical Medicine and Surgery, University "Federico II" of Naples - ItalySchool of Medicine and Surgery, Naples 80131, Italy

Xin Geng, PhD, Associate Professor, Department of Biochemistry and Molecular Biology, Tianjin Medical University, Tianjin 300070, China

George Giannopoulos, MD, MSc, PhD, Surgeon, Department of Surgery, Aigio General Hospital, Piraeus 18537, Attiki, Greece

Ioannis Gkekas, MD, N/A, Research Scientist, Surgeon, Surgical Oncologist, Surgical department Sunderby hospital, Sunderby Med Ctr, Lulea S-97180, Sweden

Mahesh Kumar Goenka, FACG, FASGE, MD, Adjunct Professor, Professor, Institute of Gastrosciences, Apollo Gleneagles Hospital, Kolkata 700054, India

Vedat Goral, PhD, Professor, Department of Gastroenterology, Istanbul Medipol University School of Medicine Department of Gastroenterology, Istanbul 34214, Turkey

Jin-Tao Guo, MD, PhD, Assistant Professor, Chief Doctor, Endoscopy Center, Shengjing Hospital, China Medical University, Shenyang 110001, Liaoning Province, China

Alp Gurkan, MA, MD, Chief Doctor, Professor, Department of General Surgery, Okan University, Faculty of Medicine, Istanbul 34947, Turkey

Hideaki Harada, MD, Chief Doctor, Director, Department of gastroenterology, New Tokyo Hosp, Department of Gastroenterology, 1271 Wanagaya, Matsudo, Chiba 2702232, Matsudo 270-2232, Chiba, Japan

Rintaro Hashimoto, MD, PhD, Doctor, Department of Gastroenterology, University of California Irvine, Orange, CA 92868, United States

Yohei Horikawa, PhD, Chief Doctor, Department of Gastroenterology, Hiraka General Hospital, Yokote City , Akita, Japan

Naoki Hosoe, FACG, MD, PhD, Associate Professor, Center for Diagnostic and Therapeutic Endoscopy, School of Medicine, Keio University, Tokyo 160-8582, Japan

Linda Ann Hou, MD, Assistant Professor, Department of Gastroenterology and Hepatology, Harbor UCLA Medical Center, Torrance, CA 90509, United States