M. A. Ovsepian
The Russian University of Medicine (RusUniMed)
Russian Federation

Mariia A. Ovsepian, Teaching Assistant, Department of Internal Diseases Propedeutics and Gastroenterology

20, Bldg. 1, Delegatskaya St., Moscow, 127473

D. N. Andreev
The Russian University of Medicine (RusUniMed)
Russian Federation

Dmitry N. Andreev, Cand. Sci. (Med.), Associate Professor, Associate Professor of Department of Internal Diseases Propedeutics and Gastroenterology

20, Bldg. 1, Delegatskaya St., Moscow, 127473

A. A. Samsonov
The Russian University of Medicine (RusUniMed)
Russian Federation

Aleksey A. Samsonov, Dr. Sci. (Med.), Professor of Department of Internal Diseases Propedeutics and Gastroenterology

20, Bldg. 1, Delegatskaya St., Moscow, 127473