Valuev, I. L.
Valuev, L. I.
Vanchugova, L. V.
Obydennova, I. V.
Article History
Received: 15 March 2018
Revised: 19 July 2018
Accepted: 25 July 2018
First Online: 1 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.