1. Department General Internal Medicine, Hirslanden Klinik Beau-Site, Bern, Switzerland
2. Department of Internal Medicine II – Gastroenterology and Hepatology, Center of Advanced Research in Gastroenterology and Hepatology, “Victor Babeș” University of Medicine and Pharmacy Timișoara, Timisoara, Romania
3. Department of Hematology, Oncology and Palliative Care, University Hospital Brandenburg, Brandenburg Medical School Theodor Fontane, Brandenburg, Germany
4. Department of Medicine, University of South Carolina School of Medicine, Columbia, United States
5. Anesthesiology and Intensive Care Medicine, Charité Universitätsmedizin Berlin, Berlin, Germany
6. Department of Ultrasound, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China
7. Inselgruppe, Spital Tiefenau, Bern, Switzerland
8. Justus-Liebig-Universität, Giessen, Germany
9. Emergency, Fiona Stanley Hospital, Murdoch, Australia
10. Medicine, Witten/Herdecke University, Witten, Germany
11. Emergency Medicine, Beth Israel Deaconess Medical Center, Boston, United States
12. Klinik für Innere Medizin, Krankenhaus Märkisch Oderland Strausberg/ Wriezen, Wriezen, Germany
13. Clinic for Gastroenterology, Hepatology and Infectious Diseases, Universitätsklinikum Düsseldorf, Dusseldorf, Germany
14. Department of Internal Medicine, Division of Gastroenterology, Leipzig University Medical Center, Leipzig, Germany
15. Medicine, Medizinische Hochschule Brandenburg Theodor Fontane, Neuruppin, Germany
16. Department of Internal Medicine, Hirslanden Hospital Group, Bern, Switzerland
17. Outpatient Department of Gastroenterology, IBD center, Policlinic Helios Klinikum Buch, Berlin, Germany
18. Gastroenterology, Sana Hospital Lichtenberg, Berlin, Germany
19. Clinic of Internal Medicine III Department of Oncology, Hematology, Rheumatology and Clinical Immunology, University Hospital Bonn, Bonn, Germany
20. Emergency Medicine, The Ohio State University Wexner Medical Center, Columbus, United States
21. Abteilung für Allgemeine Radiologie und Kinderradiologie, Medizinische Universität Wien, Wien, Austria
22. Department of Obstetrics and Gynecology, Universitätsklinikum Bonn, Bonn, Germany
23. Medicine, Technische Universität Dresden, Dresden, Germany
24. Medicine, Otto-von-Guericke-Universität Magdeburg, Magdeburg, Germany
25. Rudolf-Frey Teaching Department, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
26. School of Dentistry & Health Sciences, Charles Sturt University Australia, Wagga Wagga, Australia
27. CZMH Medical Physics and Dosimetry Services LTD, Limassol, Cyprus