Funding for this research was provided by:
Ministry of Science and Higher Education of the Russian Federation (AAAA-A17-117041710086-6, FSWW-2020-0022)
Article History
Received: 23 October 2019
Revised: 20 May 2020
Accepted: 8 July 2020
First Online: 23 July 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.