1   Experimental Medicine, Università del Salento, Lecce, Italy (Ringgold ID: RIN18976)

2   Clinical Effectiveness Research Group, Institute of Health and Society, Faculty of Medicine, University of Oslo, Oslo, Norway

,

Stefano Francesco Crinò

3   Gastroenterology, University of Verona, Verona, Italy

,

Paraskevas Gkolfakis

4   Gastroenterology, "Konstantopoulio-Patision" General Hospital of Nea Ionia, Athens, Greece

,

Marco Spadaccini

5   Endoscopy Unit, Istituto Clinico Humanitas, Rozzano, Italy (Ringgold ID: RIN9268)

,

Marianna Arvanitakis

6   Gastroenterology, Digestive Oncology and Hepatopancreatology, HUB Hôpital Erasme, Brussels, Belgium

,

7   Internal Medicine, Evangelisches Krankenhaus Düsseldorf, Düsseldorf, Germany

,

8   Gastroenterology and Hepatology, Imelda Hospital, Bonheiden, Belgium (Ringgold ID: RIN81874)

9   Gastroenterology and Hepatology, KU Leuven University Hospitals Leuven, Leuven, Belgium (Ringgold ID: RIN60182)

,

Jahnvi Dhar

10   Gastroenterology, PGIMER, Chandigarh, India (Ringgold ID: RIN29751)

,

11   Interdisciplinary Endoscopy, Medical Department I, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany

,

Rodica Gincul

12   Gastroenterology, Jean Mermoz Private Hospital, Lyon, France (Ringgold ID: RIN89686)

,

Istvan Hritz

13   Centre for Therapeutic Endoscopy, Semmelweis University, Budapest, Hungary (Ringgold ID: RIN37637)

,

Leena Kylänpää

14   Surgery, Helsinki Univeristy Central Hospital, Helsinki, Finland

,

15   Endoscopy Unit, Hospital General Universitario de Alicante, Alicante, Spain (Ringgold ID: RIN16802)

,

Martina Pezzullo

16   Radiology, Erasmus Hospital, Bruxelles, Belgium (Ringgold ID: RIN70496)

,

17   Gastroenterology, Colentina Clinical Hospital, Bucharest, Romania

18   Internal Medicine Department, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania

,

10   Gastroenterology, PGIMER, Chandigarh, India (Ringgold ID: RIN29751)

,

19   Gastroenterology and Hepatology, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands (Ringgold ID: RIN1209)

,

George Webster

20   Pancreatobiliary Medicine Unit, University College London, London, United Kingdom of Great Britain and Northern Ireland (Ringgold ID: RIN4919)

,

21   Hepatogastroenterology Unit, 2nd Department of Internal Medicine, Propaedeutic, Medical School, National and Kapodistrian University of Athens, "Attikon" University General Hospital, Athens, Greece