I. Yu. Korzheva
Russian Medical Academy of Continuing Professional Education of the Ministry of Health of the Russian Federation; S. P. Botkin Municipal Clinical Hospital
Russian Federation

Irina Yu. Korzheva, M.D., Ph.D., D. Sc., professor, Head of Science Department of Endoscopy; Head of the Department of Endoscopy

125993, 2/1, Barricadnaya Street, Moscow, Russia

125284, 5/22, 2nd Botkinsky Prospect, Moscow, Russia

N. E. Chernekhovskaya
Russian Medical Academy of Continuing Professional Education of the Ministry of Health of the Russian Federation
Russian Federation

Natalya E. Chernekhovskaya, M.D., Ph.D., D. Sc., professor, Science Department of Endoscopy. Scopus Author ID: 56925247300

125993, 2/1, Barricadnaya Street, Moscow, Russia

E. V. Galaeva
S. P. Botkin Municipal Clinical Hospital
Russian Federation

Elena V. Galaeva, M.D., Ph.D., D. Sc., associate professor, Science Department of Endoscopy

125284, 5/22, 2nd Botkinsky Prospect, Moscow, Russia

N. V. Vychuzhanina
S. P. Botkin Municipal Clinical Hospital
Russian Federation

Natalia V. Vychuzhanina, M.D., Ph.D., endoscopist of Department of Endoscopy

125284, 5/22, 2nd Botkinsky Prospect, Moscow, Russia

E. A. Khoreva
Russian Medical Academy of Continuing Professional Education of the Ministry of Health of the Russian Federation
Russian Federation

Elena A. Khoreva, clinical resident of Department of Endoscopy

125993, 2/1, Barricadnaya Street, Moscow, Russia