Funding for this research was provided by:
European Regional Development Fund (CZ.02.1.01/0.0/0.0/16_019/0000766)
Received: 1 April 2020
Accepted: 26 June 2020
First Online: 4 July 2020
Compliance with ethical standards
: We declare that there is no conflict of interest, we follow the Ethical Standard Statement, and we grant the informed consent with publication of this paper.