Funding for this research was provided by:
Agentúra na Podporu Výskumu a Vývoja (APVV-17-0079)
Text and Data Mining valid from 2019-11-03
Received: 18 February 2019
Accepted: 23 September 2019
First Online: 3 November 2019
Ethics approval and consent to participate
: Not relevant for the study.
: The author agrees to publish the manuscript and there have been no individual data used.
: The author declares that he has no competing interests..