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

E. V. Dmitrieva
Regional Children's Clinical Hospital
Russian Federation

Ekaterina V. Dmitrieva – MD, PhD, Head of Ultrasound and Functional Diagnostics Department, Regional Clinical Children’s Hospital, Vladimir
https://orcid.org/0000-0003-1924-2803

T. S. Nesterenko
Regional Children's Clinical Hospital
Russian Federation

Tatiana S. Nesterenko – MD, Surgery Department, Regional Clinical Children’s Hospital, Vladimir
https://orcid.org/0009-0005-2862-7440 

N. T. Zurbaev
Regional Children's Clinical Hospital
Russian Federation

Nodari T. Zurbaev – MD, MD, Doct. of Sci. (Med.), Professor, Chief of the Medical Unit for Surgery, Regional Clinical Children’s Hospital, Vladimir
https://orcid.org/0000-0003-0086-8208