1. Department of Biomedical Sciences, Humanitas Research Hospital IRCCS, Rozzano, Italy
2. Gastroenterological Center, Semashko National Research University, Moscow, Russia
3. Sapienza School of Medicine, Rome, Italy
4. Department of Propaedeutics of Internal Diseases, Federal State Medical University of Ministry of Health of Russia, Chief Specialist-Therapist of the North-Western Federal district, Moscow, Russia
5. Department of Therapy and Clinical Pharmacology, North-Western State Medical University, Moscow, Russia
6. Department of Pancreatic, Biliary, and Upper Digestive Tract Disorders, A.S. Loginov Moscow Clinical Scientific Center, Moscow, Russia
7. Department of Gastroenterology and Hepatology, Moscow Medical Academy, Moscow, Russia
8. Ministry of Health of the Russian Federation, Chief Specialist of Therapy and General Practice Ministry of Health of Russia, Grozny, Russia;
9. Department of Internal Medicine, Herz-Jesu-Hospital, Muenster, Germany
10. Gastroenterological Department, GBUZ RB City clinical Hospital, Sterlitamak, Russia
11. Gastroenterology Center, Regional Clinical Hospital, Tyumen, Russia
12. Department of Propaedeutics of Internal Diseases and Gastroenterology, Moscow State University of Medicine and Dentistry, Moscow, Russia
13. Department of Polyclinic Therapy, Moscow State University of Medicine and Dentistry, Moscow, Russia
14. Department of Faculty Therapy, Omsk State Medical University, Omsk, Russia
15. Department of Propedeutics of Internal Diseases and Gastroenterology, Moscow State University of Medicine and Dentistry, Moscow, Russia
16. Department of Internal Diseases, Moscow State University of Medicine and Dentistry, Moscow, Russia
17. Department for Science, Innovations and Informatization, Novosibirsk State Medical University, Novosibirsk, Russia
18. 2nd Department of Therapy, Ministry of Defense of the Russian Federation, Moscow, Russia
19. Department of Scientific and Clinical Work, INSTITUTE "Federal Research Center of Nutrition and Biotechnologies", Moscow, Russia
20. Department of faculty therapy, Saint Petersburg State Pediatric Medical University (Spbpgmu) of the RF MOH, St. Petersburg, Russia
21. Department of Hepatology, Moscow Clinical Research and Practice Center, Moscow, Russia
22. Department of Gastroenterology, Faculty of Advanced Medical Education of the Russian National Research Medical University, Moscow, Russia
23. Department of gastroenterology and endoscopy, Rostov State Medical, Rostov, Russia