P. A. Kotkov
V.A. Almazov National Medical Research Center; Elizabethan Hospital
Russian Federation

Pavel A. Kotkov - Candidate of Medical Sciences, Assistant, Department of I.I. Grekov Faculty Surgery with the Endoscopy Course, V.A. Almazov NMRC; Surgeon, Elizabethan Hospital.

Akkuratova Str. 2, Saint-Petersburg, 197341; Vavilovykh Str. 14, Saint Petersburg, 195257

B. V. Sigua
V.A. Almazov National Medical Research Center
Russian Federation

Badri V. Sigua - Doctor of Medical Sciences, Professor, Head of the Department of General Surgery.

Akkuratova Str. 2, Saint-Petersburg, 197341

S. V. Petrov
Elizabethan Hospital; I.I. Mechnikov North-West State Medical University
Russian Federation

Sergey V. Petrov - Doctor of Medical Sciences, Professor, Professor, S.A. Simbirtsev Department of Operative and Clinical Surgery with Topographic Anatomy, I.I. Mechnikov North-Western SMU; Chief Physician, Elizabethan Hospital.

Vavilovykh Str. 14, Saint Petersburg, 195257; Kirochnaya Str. 41, Saint Petersburg, 191015

A. A. Kozobin
V.A. Almazov National Medical Research Center; Elizabethan Hospital
Russian Federation

Aleksandr A. Kozobin - Candidate of Medical Sciences, Assistant, S.A. Simbirtsev Department of Operative and Clinical Surgery with Topographic Anatomy, I.I. Mechnikov North-Western SMU; Surgeon, Elizabethan Hospital.

Akkuratova Str. 2, Saint-Petersburg, 197341; Vavilovykh Str. 14, Saint Petersburg, 195257

I. L. Esayan
Elizabethan Hospital
Russian Federation

Igor L. Esayan – Surgeon.

Vavilovykh Str. 14, Saint Petersburg, 195257

A. A. Chekirov
Elizabethan Hospital
Russian Federation

Aydin A. Chekirov – Surgeon.

Vavilovykh Str. 14, Saint Petersburg, 195257

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

Vyacheslav P. Zemlyanoy - Doctor of Medical Sciences, Professor, Head of the I.I. Grekov Department of Faculty Surgery with the Endoscopy Course, I.I. Mechnikov North-Western SMU.

Kirochnaya Str. 41, Saint Petersburg, 191015