S. A. Budzinskiy
Chair of Hospital Surgery No 2 with Research Laboratory of Surgical Gastroenterology and Endoscopy, N.I. Pirogov Russian National Research Medical University; Municipal Clinical Hospital No 31 of Health Department of Moscow
Russian Federation

Cand. of Med. Sci., Senior Researcher of the Research Laboratory of Surgical Gastroenterology and Endoscopy of the Chair of Hospital Surgery No 2, Medical Faculty of N.I. Pirogov Russian National Research Medical University, Senior Registrar of Endoscopy Department No 1, MCH No 31, Moscow

E. D. Fedorov
Chair of Hospital Surgery No 2 with Research Laboratory of Surgical Gastroenterology and Endoscopy, N.I. Pirogov Russian National Research Medical University
Russian Federation

Doct. of Med. Sci., Professor, Сhief Scientific Officer of the Research Laboratory of Surgical Gastroenterology and Endoscopy, N.I. Pirogov Russian National Research Medical University

G. V. Konyukhov
Municipal Clinical Hospital No 31 of Health Department of Moscow
Russian Federation

Cand. of Med. Sci., Physician at the Department of Endoscopy No 1, MCH No 31, Moscow

A. Yu. Kotieva
Chair of Hospital Surgery No 2 with Research Laboratory of Surgical Gastroenterology and Endoscopy, N.I. Pirogov Russian National Research Medical University
Russian Federation

Graduate Student of the Department of Hospital Surgery No 2, Medical Faculty of N.I. Pirogov Russian National Research Medical University

S. G. Shapovaliyants
Chair of Hospital Surgery No 2 with Research Laboratory of Surgical Gastroenterology and Endoscopy, N.I. Pirogov Russian National Research Medical University
Russian Federation

Doct. of Med. Sci., Professor, Head of the Department of Hospital Surgery No 2, Medical Faculty of N.I. Pirogov Russian National Research Medical University