V. A. Kozlov
A.V. Vishnevsky National Research Scientific Surgical Center
Russian Federation

Kozlov Valentin Aleksandrovich – Ph.D., research fellow of the upper digestive tract reconstructive surgery department,

27, Bolshaya Serpukhovskaya str., Moscow, 117997.

V. I. Pilipenko
Federal Research Centre of Nutrition, Biotechnology and Food Safety
Russian Federation

Pilipenko Vladimir Ivanovich – Ph. D., research fellow of department of gastroenterology, hepatology and dietotherapy,

2/14, Ustinsky proezd str., Moscow, 109240.

V. A. Isakov
Federal Research Centre of Nutrition, Biotechnology and Food Safety
Russian Federation

Isakov Vasiliy Andreevich – M. D., prof., head of the department of gastroenterology, hepatology and dietotherapy, 

2/14, Ustinsky proezd str., Moscow, 109240.

D. V. Ruchkin
A.V. Vishnevsky National Research Scientific Surgical Center
Russian Federation

Ruchkin Dmitry Valerievich – M.D., the chief of the upper digestive tract reconstructive surgery department, 

27, Bolshaya Serpukhovskaya str., Moscow, 117997.

S. V. Morozov
Federal Research Centre of Nutrition, Biotechnology and Food Safety
Russian Federation

Morozov Sergey Vladimirovich – M. D., leading researcher of the department of gastroenterology, hepatology and dietotherapy, 

2/14, Ustinsky proezd str., Moscow, 109240.