Rounova, Olga http://orcid.org/0000-0003-0729-530X
Demin, Peter
Korotkov, Mikhail
Malkova, Victoriya
Ustinnikova, Olga
Article History
Received: 30 May 2018
Revised: 24 July 2018
Accepted: 26 July 2018
First Online: 2 August 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human or animal subjects.
: Informed consent was not applicable.