P. A. Frolov
Kuzbass Clinical Hospital of Emergency Medical Care named after M. A. Podgorbunsky
Russian Federation

Pavel A. Frolov, Chief, Department of Endoscopy No. 1

650991, Kemerovo region—Kuzbass, Kemerovo, st. N. Ostrovsky, build. 22

A. G. Korotkevich
Novokuznetsk State Institute of Advanced Training of Doctors; Novokuznetsk City Clinical Hospital № 29
Russian Federation

Alexey G. Korotkevich, Dr. of Sci. (Med.), Professor, Department of Surgery, Endoscopy, Urology and Pediatric Surgery; Chief, Endoscopy Department

654005, Kemerovo region, Novokuznetsk, Stroiteley avenue, build. 5
654038, Novokuznetsk, Soviet Army Avenue, build.49

S. A. May
Novokuznetsk City Clinical Hospital № 29
Russian Federation

Semyon A. May, Endoscopist, Endoscopy Department

654038, Novokuznetsk, Soviet Army Avenue, build.49

K. A. Krasnov
Kuzbass Clinical Hospital of Emergency Medical Care named after M. A. Podgorbunsky; Kemerovo State Medical University
Russian Federation

Konstantin A. Krasnov, Cand. of Sci. (Med), Associate Professor of the Department of Hospital Surgery; Deputy the chief physician for transplantological care and organ donation

650991, Kemerovo region—Kuzbass, Kemerovo, st. N. Ostrovsky, build. 22
650056, Kemerovo oblast—Kuzbass, Kemerovo, Vorishilova st, build.22 A

V. V. Pavlenko
Kuzbass Clinical Hospital of Emergency Medical Care named after M. A. Podgorbunsky; Kemerovo State Medical University
Russian Federation

Vladimir V. Pavlenko, Dr. of Sci. (Med.), Professor, Head, Department of Hospital Surgery; Deputy the chief physician for science

650991, Kemerovo region—Kuzbass, Kemerovo, st. N. Ostrovsky, build. 22
650056, Kemerovo oblast—Kuzbass, Kemerovo, Vorishilova st, build.22 A

I. V. Pachgin
Kuzbass Clinical Hospital of Emergency Medical Care named after M. A. Podgorbunsky
Russian Federation

Igor V. Pachgin, Cand. of Sci. (Med), chief physician

650991, Kemerovo region—Kuzbass, Kemerovo, st. N. Ostrovsky, build. 22