A. L. Shestakov
B.V. Petrovsky Russian Research Centre of Surgery
Russian Federation

Aleksey L. Shestakov, Dr. of Sci. (Med.), Professor, Head of Department of Stomach and Esophageal Surgery

2, Abrikosovskiy per., Moscow, 119991, Russia

M. E. Shakhbanov
B.V. Petrovsky Russian Research Centre of Surgery
Russian Federation

Magomed E. Shakhbanov, a postgraduate student, Department of Stomach and Esophageal Surgery

2, Abrikosovskiy per., Moscow, 119991, Russia

M. V. Khrustaleva
B.V. Petrovsky Russian Research Centre of Surgery
Russian Federation

Marina V. Khrustaleva, Dr. of Sci. (Med.), Professor, Head of Endoscopy Department

2, Abrikosovskiy per., Moscow, 119991, Russia

N. A. Bulganina
B.V. Petrovsky Russian Research Centre of Surgery
Russian Federation

Natalya A. Bulganina, Cand. of Sci. (Med.), Endoscopist, Researcher, Endoscopy Department

2, Abrikosovskiy per., Moscow, 119991, Russia

I. A. Boeva
B.V. Petrovsky Russian Research Centre of Surgery
Russian Federation

Irina A. Boeva, Cand. of Sci. (Med.), Surgeon, Department of Stomach and Esophageal Surgery

2, Abrikosovskiy per., Moscow, 119991, Russia

Z. E. Gadzhimusaeva
National Medical Research Center of Obstetrics, Gynecology and Perinatology named after Academician V.I. Kulakov
Russian Federation

Zykhay E. Gadzhimusaeva, second year resident physician

4, Akademik Oparin St., Moscow, 117997, Russia

A. A. Bezaltynnykh
Smolensk State Medical University
Russian Federation

Alexander A. Bezaltynnykh, Cand. of Sci. (Med.), Associate Professor, Chair for Hospital Surgery

28, Krupskaya St., Smolensk, 214019, Russia