A. I. Gritsaenko
Bashkir state medical University
Russian Federation

Andrei I. Gritsaenko, Associate Professor of the Department of General Surgery Department with a Course of Radiation Diagnostics, candidate of medical Sciences

 1, Lenin str., Ufa, 450008, Russia 

M. A. Nartaylakov
Bashkir state medical University
Russian Federation

Mazhit A. Nartaylakov, Prof, MD, Ph D. Head of Department of the General Surgery Department with a Course of Radiation Diagnostics

 1, Lenin str., Ufa, 450008, Russia 

S. V. Fedorov
Bashkir state medical University
Russian Federation

Sergei V. Fedorov, Doctor of Medical Sciences, Professor of the Department of Surgery with a course of endoscopy of IAPE

 1, Lenin str., Ufa, 450008, Russia 

V. U. Sataev
Bashkir state medical University
Russian Federation

Valery U. Sataev, Doctor of Medical Sciences, Professor of the Department of Pediatric Surgery with a course of ICPE

 1, Lenin str., Ufa, 450008, Russia