I. A. Ozerskaya
Peoples' Friendship University of Russia named after Patrice Lumumba
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

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

E. V. Minashkina
Center for Reproduction and Genetics “Nova Clinic” LLC “MedInService”
Russian Federation

Elena V. Minashkina – ultrasound diagnostic doctor

33/4, Usacheva str., Moscow 119048

A. I. Gus
Peoples' Friendship University of Russia named after Patrice Lumumba; Research Center for Obstetrics, Gynecology and Perinatology named after academician V.I. Kulakov of the Ministry of Healthcare of the Russian Federation
Russian Federation

Alexandr I. Gus – Doct. of Sci. (Med.), Professor, Head of the Department of Ultrasound Diagnostics of the Faculty of Continuing Medical Education of the Medical Institute of the Peoples' Friendship University of Russia named after Patrice Lumumba (RUDN University); Chief Researcher of department of ultrasound and functional diagnostics, visual diagnostics department of the Research Center for Obstetrics, Gynecology and Perinatology named after academician V.I. Kulakov of the Ministry of Healthcare of the Russian Federation

6, Miklukho-Maklay str., Moscow 117198

4, Akademika Oparina str., Moscow 117997