Loktyushkin, A. V.
Lovyagina, E. R.
Semin, B. K.
Article History
Received: 25 February 2019
Revised: 19 April 2019
Accepted: 23 April 2019
First Online: 13 September 2019
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.