S. G. Shapovalyants
Pirogov Russian National Research Medical University, Department of Hospital Surgery No. 2; City Clinical Hospital No. 31 named after academician G.M. Savelyeva
Russian Federation

Sergey G. Shapovalyants – Doct. of Sci. (Med.), Professor, Head of the Department of Hospital Surgery No. 2.

1, Ostrovityanova str., Moscow, 117997; 42, bld. 1, Lobachevsky str., Moscow, 119620

S. A. Budzinsky
Pirogov Russian National Research Medical University, Department of Hospital Surgery No. 2; City Clinical Hospital No. 31 named after academician G.M. Savelyeva
Russian Federation

Stanislav A.Budzinsky – Doct. of Sci. (Med.), Chief Researcher of the Department of Hospital Surgery No. 2, Pirogov RNRMU; Head of the Endoscopic Department, City Clinical Hospital No. 31 named after academician G.M. Savelyeva.

1, Ostrovityanova str., Moscow, 117997; 42, bld. 1, Lobachevsky str., Moscow, 119620

R. V. Plakhov
Pirogov Russian National Research Medical University, Department of Hospital Surgery No. 2; City Clinical Hospital No. 31 named after academician G.M. Savelyeva
Russian Federation

Roman V. Plakhov – Doct. of Sci. (Med.), Professor, Professor of the Department of Hospital Surgery No. 2, Pirogov RNRMU; Surgeon, City Clinical Hospital No. 31 named after academician G.M. Savelyeva.

1, Ostrovityanova str., Moscow, 117997; 42, bld. 1, Lobachevsky str., Moscow, 119620

P. S. Kozlova
Pirogov Russian National Research Medical University, Department of Hospital Surgery No. 2
Russian Federation

Polina S.Kozlova – Postgraduate Student of the Department of Hospital Surgery No. 2.

1, Ostrovityanova str., Moscow, 117997

E. A. Dobrokhotova
Pirogov Russian National Research Medical University, Department of Hospital Surgery No. 2
Russian Federation

Ekaterina A. Dobrokhotova – Resident Physician of the Department of Hospital Surgery No. 2.

1, Ostrovityanova str., Moscow, 117997

D. A. Freidovich
City Clinical Hospital No. 31 named after academician G.M. Savelyeva
Russian Federation

Dmitry A. Freidovich – Cand. of Sci. (Med), Surgeon, Department of Surgery No. 1.

42, bld. 1, Lobachevsky str., Moscow, 119620

E. D. Fedorov
Pirogov Russian National Research Medical University, Department of Hospital Surgery No. 2; City Clinical Hospital No. 31 named after academician G.M. Savelyeva
Russian Federation

Evgeny D. Fedorov – Doct. of Sci.(Med.), Professor, Chief Researcher of the Department of Hospital Surgery No. 2 with Research Laboratory of Surgical Gastroenterology and Endoscopy, Pirogov RNRMU, on the basis City Clinical Hospital named after academician G.M. Savelyeva.

1, Ostrovityanova str., Moscow, 117997; 42, bld. 1, Lobachevsky str., Moscow, 119620