Akishina, A. A.
Kuvaeva, E. E.
Vorontsova, Y. E.
Simonova, O. B.
Article History
Received: 16 May 2020
Revised: 10 June 2020
Accepted: 15 June 2020
First Online: 22 December 2020
COMPLIANCE WITH ETHICAL STANDARDS
: The authors declare that they have no conflict of interest.
: This paper does not contain any studies involving animals or human participants performed by the authors.
: A.A. Akishina and E.E. Kuvaeva equally contributed: they analyzed the world literature and wrote the main text of the article. Yu.E. Vorontsova participated in editing and discussion the article’s text. O.B. Simonova initiated the writing of the review and edited the text.