Al. A. Kurygin
Military Medical Academy
Russian Federation

Kurygin Aleksandr A. - Dr. of Sci. (Med.), Professor, associate Professor, Department of faculty surgery to them. S. P. Fedorov, Military Medical Academy.

6, Academika Lebedeva str., Saint Petersburg, 194044.

V. V. Semenov
Military Medical Academy
Russian Federation

Semenov Valery V. - major of medical service, teacher of department and clinic of faculty surgery named after S. P. Fedorov, Military Medical Academy.

6, Academika Lebedeva str., Saint Petersburg, 194044.

I. S. Tarbaev
Pavlov University
Russian Federation

Tarbaev Ivan S. - post-graduate student of the Department of faculty surgery, Pavlov University.

Saint Petersburg.