Balashova, L. M.
Namiot, V. A.
Kolesnichenko, I. I.
Korobova, L. S.
Kuznetsova, Yu. D.
Balashov, A. A.
Cherkashin, D. R.
Bakunina, N. A.
Doronin, A. N.
Udaltsov, S. N.
Article History
Received: 15 July 2019
Revised: 14 October 2019
Accepted: 6 December 2021
First Online: 26 April 2022
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interest</i>. The authors declare that they have no conflicts of interest.
: <i>Statement of compliance with standards of research involving humans as subjects</i>. All procedures involving patients conformed to the ethical standards of the Helsinki Declaration of 1964 and its subsequent amendments. Taking the age of the patients into account, the written informed consent for the study was signed by their parents, who received full information about the methods and objectives of the study.