E. A. Troitskaya
People`s Friendship University of Russia
Russian Federation

Elena A. Troitskaya, MD, PhD, Associate Professor, De-partment of Internal Diseases with the Course in Cardiology and Functional Diagnostics named after V. S. Moiseev

61 Vavilova street, Moscow, 117292

S. V. Velmakin
People`s Friendship University of Russia
Russian Federation

Sergei V. Velmakin, MD, Assistant, Department of Internal Diseases with the Course in Cardiology and Functional Diagnostics named after V. S. Moiseev

Moscow

S. V. Villevalde
Almazov National Medical Research Centre
Russian Federation

Svetlana V. Villevalde, MD, PhD, DSc, Professor, Head, Department of Analysis and Perspective Planning, Head, Department of Cardiology

St Petersburg

Zhanna Kobalava
People`s Friendship University of Russia (RUDN University)
Russian Federation

Zhanna D. Kobalava, MD, PhD, DSc, Professor, Head, Department of the Internal Diseases with the Course in Cardiology and Functional Diagnostics named after V. S. Moiseev

Moscow