Funding for this research was provided by:
Russian Foundation for Basic Research (18-33-20175)
Ministry of Science and Higher Education of the Russian Federation (АААА-А17-117041710075-0)
Text and Data Mining valid from 2020-02-13
First Online: 13 February 2020
Compliance with Ethical Standards
: No research involving Human Participants and/or Animals was performed. In the current study accepted principles of ethical and professional conduct have been followed.