V. V. Darvin
Surgut State University
Russian Federation

Vladimir V. Darvin – Doct. of Sci. (Med.), Professor, Head of the Department of Surgical Diseases

1, Prospect Lenina, Surgut, 628412, Russian Federation

P. S. Vetshev
National Medical and Surgical Center named after N.I. Pirogov of the Ministry of Healthcare of the Russian Federation
Russian Federation

Petr S. Vetshev – Doct. of Sci. (Med.), Professor, Clinical and Scientific Advisor; Honored Doctor of Russian Federation, Chairman of the Coordination Council “Minimally invasive technologies” of the Association of Hepatopancreatobiliary Surgeons of the CIS countries

70, Nizhnyaya Pervomayskaya str., Moscow, 105203, Russian Federation

S. V. Onishchenko
Surgut State University
Russian Federation

Sergey V. Onishchenko – Doct. of Sci. (Med.), Associate Professor, Professor, Department of Surgical Diseases

1, Prospect Lenina, Surgut, 628412, Russian Federation

M. M. Lysak
Surgut State University
Russian Federation

Mikhail M. Lysak – Cand. of Sci. (Med.), Associate Professor, Department of Surgical Diseases

1, Prospect Lenina, Surgut, 628412, Russian Federation

T. s Vardanyan
Surgut District Clinical Hospital
Russian Federation

Tigran S. Vardanyan – Cand. of Sci. (Med.), Endoscopist, Endoscopy Unit

24/2, str. Energetikov, Surgut, 628408, Russian Federation

A. L. Kostrubin
Surgut District Clinical Hospital
Russian Federation

Aleksandr L. Kostrubin – Head of the Endoscopy Unit

24/2, str. Energetikov, Surgut, 628408, Russian Federation