Gavrilov, S. N. http://orcid.org/0000-0002-7889-3350
Shishkina, E. V. http://orcid.org/0000-0003-4829-9403
Mochalova, Yu. A. http://orcid.org/0000-0003-0095-7518
Article History
Received: 24 September 2018
Accepted: 13 December 2018
First Online: 3 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.