Ivanovsky, R. N.
Lebedeva, N. V.
Keppen, O. I.
Chudnovskaya, A. V.
Article History
Received: 15 April 2019
Revised: 3 July 2019
Accepted: 29 September 2019
First Online: 10 February 2020
COMPLIANCE WITH ETHICAL STANDARDS
: The authors declare that they have no conflict of interest. This article does not contain any studies involving animals or human participants performed by any of the authors.