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Todorov, Petko https://orcid.org/0000-0002-7998-7391

Vartanyan, Tigran https://orcid.org/0000-0002-3956-9232

Andreeva, Christina https://orcid.org/0000-0001-5549-2485

Sarkisyan, David https://orcid.org/0000-0002-3432-0796

Pichler, Goran https://orcid.org/0000-0002-1672-8560

Cartaleva, Stefka https://orcid.org/0000-0002-1518-7790

Funding for this research was provided by:

Ministry of Education, Youth and Science (DO08-19/2016;DNTS/Russia 01/5)

Ministry of Science and Higher Education of the Russian Federation (RFBR grant No17-52-18037)

Text and Data Mining valid from 2020-02-25

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