Gurina, V. V.
Ozolina, N. V.
Nesterkina, I. S.
Nurminsky, V. N.
Article History
Received: 28 February 2018
Revised: 22 April 2018
Accepted: 28 April 2018
First Online: 16 April 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.