1 University Hospital Regensburg, Regensburg, Germany

2 Mainz University Medical Center, Mainz, Germany

3 University Hospital Aachen, Aachen, Germany

4 Ruhr-University-Bochum, St. Josef-Hospital, Bochum, Germany

5 Faculty of Medicine and University Hospital Carl Gustav Carus, TUD Dresden University of Technology, Dresden, Germany

6 Charité - University Medicine Berlin Campus Benjamin Franklin, Berlin, Germany

7 Berlin Institute of Health at Charité University Medicine Berlin, Berlin, Germany

1 University Hospital Aachen, Aachen, Germany

2 University Hospital RWTH Aachen, Aachen, Germany

3 Junge Gastroenterologie (JuGa) - German Young Gastroenterology Study Group, Berlin, Germany

4 St. Josef-Hospital, a hospital of the Ruhr-University-Bochum, Essen, Germany

5 University Hospital Coventry and Warwickshire, Coventry, United Kingdom

6 Heidelberg University Hospital, Heidelberg, Germany

7 University College London, London, United Kingdom

8 Internal Security Forces Hospital La Marsa, Tunis, Tunisia

9 East Tallinn Central Hospital, Tallinn, Estonia

10 Vilnius university Santaros Klinikos, Vilnius, Lithuania

11 Vilnius university hospital Santara Clinics, Vilnius, Lithuania

12 University Hospital Centre Zagreb, Zagreb, Croatia

13 Heidelberg University Hospital, Department of Medicine IV, Heidelberg, Germany, Heidelberg, Germany

14 Karolinska Institute, Stockholm, Sweden

15 Jessenius Faculty of Medicine, University Hospital in Martin, Martin, Slovakia

16 Royal Liverpool University Hospital, UK, Liverpool, United Kingdom

17 National Liver Institute, Menoufia University, Menoufia, Egypt

18 St Vincent's University Hospital, Dublin 14, Ireland

19 Medical Faculty and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany

20 Saint Marina University Hospital, Pleven, Bulgaria

21 Hvidovre University Hospital, Soeborg, Denmark

22 University Clinical Center of Kosova, Prishtine, Kosovo

23 UKC Tuzla, Tuzla, Bosnia and Herzegovina

24 Universitätsspital Basel, Basel, Switzerland

25 Erasmus University Medical Center, Rotterdam, Netherlands

26 Institute for Clinical and Experimental Medicine, Prague, Czechia

27 Second Faculty of Medicine, Charles University, Prague, Czechia

28 2nd Department of Internal Medicine – Gastroenterology and Geriatrics, University Hospital Olomouc, Faculty of Medicine, Palacky University Olomouc, Olomouc, Czechia

29 University Hospital Olomouc, Faculty of Medicine and Dentistry, Olomouc, Czechia

30 Masa

31 Medical University of Vienna, Vienna, Austria

32 Hospital Universitario Marqués de Valdecilla, Santander, Spain

33 Government Institution “L.T.Malaya Therapy National Institute of the National Academy of Medical Sciences of Ukraine”, Kharkov, Ukraine

34 tangier faculty of medicine / tangier mohamed VI university hospital, Tangier, Morocco

35 Università degli Studi della Campania "Luigi Vanvitelli", Aversa (CE), Italy

36 Vall d'Hebron University Hospital, Universitat Autonoma de Barcelona UAB, Barcelona, Spain

37 Mater Dei Hospital, Mosta, Malta

38 University Hospital Center 'Mother Teresa', Tirana, Albania

39 AZERBAIJAN MEDICAL UNIVERSITY, Baku, Azerbaijan

40 Medical University of Lodz, Lodz, Poland

41 417 NIMTS, Cholargos, Greece

42 Hacettepe University, Ankara, Turkey

43 Tondela-Viseu Hospital Center, Viseu, Portugal

44 Clinical center of Serbia, Belgrade, Serbia

45 Diagnostic center Rogaska, Rogaska Slatina, Slovenia

46 Colentina Clinical Hospital Dept. of Gastroenterology, Bucharest, Romania

47 University Hospitals Leuven, Leuven, Belgium

48 Gastroenterology/Multivisceral Transplant Unit, Padua, Italy

49 Universitätsklinikum Regensburg, Regensburg, Germany

50 Charité Universitätsmedizin Berlin, Berlin, Germany

51 Berlin Institute of Health at Charité, Berlin, Germany

1 Asian Institute of Medical Sciences, Hyderabad, Pakistan

2 Aga Khan University, Karachi, Pakistan

3 Liaquat University of medical and health sciences, Hyderabad, Pakistan

4 JPMC Karachi, Karachi, Pakistan