T. B. Makukhina
Kuban State Medical University
Russian Federation

Tatiana B. Makukhina – MD, Doct. of Sci. (Med.), Associate Professor, Professor of the Department of Obstetrics, Gynecology and Perinatology № 2, Kuban State Medical University, Krasnodar
https://orcid.org/0000-0003-0536-4500
E-mail: soltatiana@mail.ru

M. N. Bulanov
Regional Clinical Hospital; Yaroslav-the-Wise Novgorod State University
Russian Federation

Mikhail N. Bulanov – MD, Doct. of Sci. (Med.), Head of Ultrasound Diagnostics Department, Regional Clinical Hospital, Vladimir; Professor, Division of Internal Medicine, Institute of Medical Education, Yaroslav-the-Wise Novgorod State University, Veliky Novgorod
https://orcid.org/0000-0001-8295-768X