A. I. Stepanova
Central State Medical Academy of the Administrative Department of the President of the Russian Federation
Russian Federation

Postgraduate Student of the Department of Cardiology, Therapy and Functional Diagnostics with Nephrology Course,

19, bldg. 1A, Marshal Timoshenko str., Moscow, 121359

M. N. Alekhin
Central State Medical Academy of the Administrative Department of the President of the Russian Federation; Central Clinical Hospital of the Presidential Administration of the Russian Federation
Russian Federation

Dr. Sci. (Med.), Professor of the Department of Cardiology, Therapy and Functional Diagnostics with Nephrology Course, 19, bldg. 1A, Marshal Timoshenko str., Moscow, 121359;

Head of Functional Diagnostics Department, 15, Marshal Timoshenko str., Moscow, 121359