B. V. Sigua
I.I. Mechnikov North-Western State Medical University
Russian Federation

Dr. Med. Sci.,associate professor, Department of Faculty Surgery named after I.I. Grekov,

ulitsa Kirochnaya, 41, Saint-Petersburg 191015

V. P. Zemlyanoy
I.I. Mechnikov North-Western State Medical University
Russian Federation

Department of Faculty Surgery named after I.I. Grekov,

ulitsa Kirochnaya, 41, Saint-Petersburg 191015

I. I. Gubkov
I.I. Mechnikov North-Western State Medical University
Russian Federation

Department of Faculty Surgery named after I.I. Grekov,

ulitsa Kirochnaya, 41, Saint-Petersburg 191015

A. M. Danilov
I.I. Mechnikov North-Western State Medical University
Russian Federation

Department of Faculty Surgery named after I.I. Grekov,

ulitsa Kirochnaya, 41, Saint-Petersburg 191015

D. S. Sakhno
I.I. Mechnikov North-Western State Medical University
Russian Federation

Department of Faculty Surgery named after I.I. Grekov,

ulitsa Kirochnaya, 41, Saint-Petersburg 191015

E. A. Zakharov
I.I. Mechnikov North-Western State Medical University
Russian Federation

Department of Faculty Surgery named after I.I. Grekov,

ulitsa Kirochnaya, 41, Saint-Petersburg 191015

A. B. Guslev
I.I. Mechnikov North-Western State Medical University
Russian Federation

Department of Faculty Surgery named after I.I. Grekov,

ulitsa Kirochnaya, 41, Saint-Petersburg 191015