A. L. Kovaleva
Sechenov First Moscow State University (Sechenov University)
Russian Federation

Aleksandra L. Kovaleva — graduate student, Chair of Internal Diseases Propaedeutics, Gastroenterology and Hepatology, Sechenov First Moscow State Medical University (Sech-enov University).

119435, Moscow, Pogodinskaya str., 1, bld. 1.

E. A. Poluektova
Sechenov First Moscow State University (Sechenov University)
Russian Federation

Elena A. Poluektova — Dr. Sci. (Med.), Prof., Departament of Propaedeutics of Internal Diseases, Gastroenterology and Hepatology, I.M. Sechenov First Moscow State Medical University (Sechenov University).

119435, Moscow, Pogodinskaya str., 1, bld. 1.

O. S. Shifrin
Sechenov First Moscow State University (Sechenov University)
Russian Federation

Oleg S. Shifrin — Dr. Sci. (Med.), Prof., Propaedeutics of Internal Diseases Department, Departmental Head, Department of Chronic Diseases of the Intestines and Pancreas, Vasilenko Clinic of the Propaedeutics of Internal Diseases, Gastroenterology and Gepatology, I.M. Sechenov First Moscow State Medical University (Sechenov University).

119435, Moscow, Pogodinskaya str., 1, bld. 1.