V. A. Duvanskiy
Skobelkin State Scientific Center of Laser Medicine; RUDN University
Russian Federation

Dr. Sci. (Med.), Prof., Deputy Director for research;

Head, Department of Endoscopy, Endoscopic and Laser Surgery,

Moscow

A. S. Vodoleev
RUDN University; City Clinical Hospital named after A. K. Eramishantsev of the Moscow Healthcare Department Moscow
Russian Federation

Cand. Sci. (Med.), Head, Department of Endoscopy, endoscopist,

Moscow

D. L. Kriazhev
City Clinical Hospital named after A. K. Eramishantsev of the Moscow Healthcare Department Moscow
Russian Federation

endoscopist,

Moscow

I. I. Yarotskov
RUDN University
Russian Federation

postgraduate student, Department of Faculty Surgery of the Medical Institute,

Moscow