M. G. Matveeva
Central Clinical Hospital of the Presidential Administration of the Russian Federation
Russian Federation

Marina G. Matveeva – Cand. of Sci. (Med.), doctor of functional diagnostics

15, Marshal Timoshenko str., Moscow 121359

M. N. Alekhin
Central Clinical Hospital of the Presidential Administration of the Russian Federation

Mikhail N. Alekhin – Doct. of Sci. (Med.), Professor, Division of Therapy, Cardiology, Functional Diagnostics, and Nephrology, Central State Medical Academy of the Presidential Administration of the Russian Federation;
Head of Functional Diagnostics Department

15, Marshal Timoshenko str., Moscow 121359