Evgeniy V. Loginov
Nefteyugansk District Clinical Hospital named after V. I. Yatskiv, Nefteyugansk
Russian Federation

Head of the Endoscopic Department, Full Member of the Russian Society of Surgeons, Full Member of the Russian Endoscopic Society

Vladimir V. Darvin
Surgut State University, Surgut
Russian Federation

Doctor of Sciences (Medicine), Professor, Recipient of the Prize of the Russian Federation Government in Science and Technology, Honorary Member and Member of the Association of Surgeons and Hepatologists (Public International Organization), Full Member of the Russian Society of Surgeons, Member of the Russian Society of Coloproctologists, Member of the Society of Endoscopic Surgeons, Member of the Russian Society of General Surgeons, Member of the International Association of Bariatric Surgeons