Ivanov, Sergey M. http://orcid.org/0000-0003-1233-4430
Traven, Valerii F. http://orcid.org/0000-0002-2204-7438
Minyaev, Mikhail E. http://orcid.org/0000-0002-4089-3697
Article History
Received: 20 March 2020
Accepted: 7 April 2020
First Online: 8 May 2020
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.