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Article History

Received: 17 November 2022

Revised: 21 January 2023

Accepted: 31 January 2023

First Online: 23 June 2023

COMPLIANCE WITH ETHICAL STANDARDS

: Conflict of interest. The authors declare the absence of obvious and potential conflicts of interest related to the publication of this article.

: Statement of compliance with standards of research involving humans as subjects. All studies were conducted in accordance with the principles of biomedical ethics formulated in the Declaration of Helsinki 1964 and its subsequent updates and approved by the local ethics committee of the Institute of Developmental Physiology of the Russian Academy of Education (Moscow).

: Informed consent. Each study participant (parent or legal representative of a child participating in the study) provided a voluntary written informed consent signed after explaining the potential risks and benefits, as well as the nature of the upcoming study.