Z. S. Valieva
A.L. Myasnikov Scientific Research Institute of Cardiology, E.I. Chazov National Medical Research Center of Cardiology
Russian Federation

Zarina S. Valieva, Cand. Of Sci. (Med.), Senior Researcher, Department of Pulmonary Hypertension and Heart Disease, 

st. Academician Chazova, 15a, Moscow 121552.

I. N. Lyapina
Research Institute for Complex Issues of Cardiovascular Diseases
Russian Federation

Irina N. Lyapina, Cand. Of Sci. (Med.), Senior Researcher at the Rehabilitation Laboratory, the Department of Clinical Cardiology, Cardiologist of pulmonary arterial hypertension center of consulting and diagnostic department, 

Sosnovy Boulevard, 6, Kemerovo 650002.

T. V. Martynyuk
A.L. Myasnikov Scientific Research Institute of Cardiology, E.I. Chazov National Medical Research Center of Cardiology; N.I. Pirogov Russian National Research Medical University
Russian Federation

Tamila V. Martynyuk, Dr. Of Sci. (Med.), the head of department of pulmonary hypertension and heart diseases of A.L. Myasnikov Research Institute of Clinical Cardiology,

st. Academician Chazova, 15a, Moscow 121552;

Professor, Department of Cardiology, Faculty of Additional Professional Education of N.I. Pirogov Russian National Research Medical University,

st. Ostrovityanova, 1, Moscow 117997.