I. N. Gorbunov
O.M. Filatov City Clinical Hospital No 15
Russian Federation

Gorbunov Ilya Nikolaevich – colorectal surgeon, 

111539, Veshnyakovskaya St., 23, Moscow

A. A. Balkarov
A.N. Ryzhikh National Medical Reserch Center of Coloproctology
Russian Federation

Balkarov Artem Anatolyevich – Candidate of Medical Sciences, oncologist, researcher,

123423, st. Salyama Adilya, 2, Moscow

M. A. Egorkin
O.M. Filatov City Clinical Hospital No 15; A.N. Ryzhikh National Medical Reserch Center of Coloproctology
Russian Federation

Mikhail Aleksandrovich Egorkin – Doctor of Medical Sciences, colorectal surgeon, senior researcher,

123423, st. Salyama Adilya, 2, Moscow

E. E. Bolkvadze
O.M. Filatov City Clinical Hospital No 15
Russian Federation

Bolkvadze Eteri Enverovna – Doctor of Medical Sciences, colorectal surgeon, Head of the Coloproctology Department,

111539, Veshnyakovskaya St., 23, Moscow

E. G. Rybakov
A.N. Ryzhikh National Medical Reserch Center of Coloproctology
Russian Federation

Rybakov Evgeny Gennadievich – Doctor of Medical Sciences, Professor of the Russian Academy of Sciences, oncologist, head of the oncoproctology department,

123423, st. Salyama Adilya, 2, Moscow