I. A. Ozerskaya
The Peoples' Friendship University of Russia (RUDN University)
Russian Federation

Irina A. Ozerskaya – Doct. of Sci. (Med.), Professor, Professor of the Department of Ultrasound Diagnostics of the Faculty of Continuing Medical Education of the Medical Institute

6, Miklukho-Maklay str., Moscow 117198

M. A. Chekalova
The Peoples' Friendship University of Russia (RUDN University)
Russian Federation

Marina A. Chekalova – Doct. of Sci. (Med.), Professor, Professor of the Department of Ultrasound Diagnostics of the Faculty of Continuing Medical Education of the Medical Institute

6, Miklukho-Maklay str., Moscow 117198

V. A. Ivanov
The Peoples' Friendship University of Russia (RUDN University)
Russian Federation

Vladimir A. Ivanov – Doct. of Sci. (Med.), Professor, Head of the Department of Ultrasound Diagnostics of the Faculty of Continuous Medical Education of the Medical Institute

6, Miklukho-Maklay str., Moscow 117198

G. G. Kazaryan
LLC “Medskan”
Russian Federation

Gayane G. Kazaryan – Cand. of Sci. (Med.), Head of the department of ultrasound

21A, Obrucheva str., Moscow 119421